🎽 Run, sweat, repeat—sound that keeps up with your hustle!
Back Bay Audio Runner 40 wireless earbuds combine a secure, ergonomic fit with IPX7 waterproofing and a powerful 30-hour battery life. Designed specifically for runners and active professionals, these earbuds feature Boston-tuned 10mm dynamic drivers with bass boost, Bluetooth 5.3 connectivity, and fast USB-C charging, making them the ultimate companion for workouts, commutes, and all-day wear.
Control Method | Touch |
Controller Type | Button |
Control Type | Media Control |
Carrying Case Width | 3.4 Inches |
Carrying Case Length | 2.3 Inches |
Carrying Case Weight | 1.9 Ounces |
Carrying Case Height | 1.2 Inches |
Unit Count | 1.0 Count |
Item Weight | 45 Grams |
Carrying Case Battery Capacity | 650 Milliamp Hours |
Carrying Case Battery Charging Time | 2 Hours |
Carrying Case Battery Average Life | 30 Hours |
Water Resistance Level | Waterproof |
Carrying Case Material | Plastic |
Is Electric | Yes |
Number of Power Levels | 1 |
Antenna Location | Audio Monitoring, Running, Calling, Skateboarding, Gaming |
Compatible Devices | Apple iPhone 15, iPhone Pro (Max), iPhone 14 Pro (Max), iPhone 14 Plus, iPad Pro, iPad Air, iPad Mini, iPhone 13 Pro Max, iPhone 13 Mini, iPhone 12 Pro Max, iPhone 12 Mini, iPhone SE, iPhone 11 Pro, iPhone 11 Pro Max, iPhone 11, iPhone XS, iPhone X, iPhone XR, iPhone 8, iPhone 7, all Macbook models, all iPad models, all older models, all iPod models, Samsung Galaxy S23 Ultra, Galaxy S23, Galaxy S22, Galaxy Z Flip 4, Z Fold 4, Galaxy S21, Galaxy S20 Ultra, Galaxy A12, Galaxy A02s, Galaxy A72, Galaxy A52 5G, Galaxy A51, Galaxy A42 5G, S21 Ultra, Galaxy A515G, Galaxy S10, Galaxy S10+, Galaxy S9, Galaxy S8, Galaxy Note 20, Galaxy Note 10, Galaxy Note 9, Galaxy Note 8, Galaxy Note Edge, Galaxy Z Fold 3, Galaxy Z Flip 3, Galaxy Tab S9. S8 Google Pixel 7, Pixel 6, 5, 4, LG K51, LG Stylo 6, LG Velvet 5G, LG Wing 5G, LG Phoenix, LG V60 ThinQ, LG Neon Plus, OnePlus 11, OnePlus 10 Pro, Nord N30, Nord N100, OnePlus 8T, Moto G Play, Motorola One 5G, Apple Watch, Garmin Watch |
Cable Features | Without Cable |
Additional Features | Fast Charging |
Enclosure Material | Premium ABS Plastic |
Specific Uses For Product | Sport |
Headphone Folding Features | In Ear |
Earpiece Shape | Bud |
Headphones Ear Placement | In Ear |
Carrying Case Color | Black |
Style Name | Runner 40 |
Theme | Sports |
Color | Black |
Battery Average Life | 30 Hours |
Wireless Technology | Bluetooth |
Bluetooth Version | 5.3 |
Bluetooth Range | 30 Feet |
Connectivity Technology | Wireless |
Frequency Range | 20 - 20,000 Hz |
Audio Driver Type | Dynamic Driver |
Audio Latency | 90 Milliseconds |
Audio Driver Size | 10 Millimeters |
Frequency Response | 20000 Hz |
Sensitivity | 100 dB |
Impedance | 4 Ohm |
Noise Control | Sound Isolation |
G**H
Exceptional Product and Even Better Customer Service!
I’ve been using the Back Bay Runner 40 earbuds and absolutely love them! When I had an issue with the left earbud, the customer service team responded immediately with professionalism, kindness, and clear instructions. They shipped a replacement quickly and even provided step-by-step guidance to reset the earbuds—which worked perfectly.Thanks to their incredible support, I was back to enjoying my runs in no time. Their responsiveness and patience truly stood out. It’s rare to find a company that not only offers a great product but also genuinely cares about their customers.Because of this outstanding experience, I’ll be purchasing another pair for my dad. Highly recommend Back Bay to anyone looking for quality and great service!
C**A
Comfortable and works great
These work great! They are my second pair, at no fault to them; I lost mine and I knew right away I would replace them with these.
D**G
3rd try's the charm!
I've been looking for a set of wireless earbuds for my longer bike rides. The wired ones I have get caught in my helmet when I turn my head, and answering phone calls is sometimes problematic. The Runner 40 set looked like just what I needed. Unfortunately, I had a lot of bad luck getting them working. Fortunately, the company was highly responsive and helped me work through the issues.The first set of earbuds I received paired just fine, but I could not get sound out of the left earbud. After pairing and repairing (get it? Heh, heh) I finally gave up and returned them for a replacement set. With the 2nd set I had more difficulty getting them paired, possibly because my phone remembered the previous set. When I finally got through that, I found that the sound was spotty; it would turn on and off based on the direction of my head, even when I was just a couple of feet away from the phone. I finally decided that these earbuds were also bad, but when I went to return the set for another replacement, I found that this was not an option. Apparently Amazon will only allow you 1 replacement, after which you can only return the product for a refund. Who knew?I really liked the look and features of these earbuds, so I really wanted them to work for me. I contacted the vendor directly and explained the issue. After the usual "did you turn on the power?", "did you follow the directions in the book for resetting the connection?", etc, I got them to send me a replacement pair. These worked. Finally I have something I can review! My impressions:- These earbuds are comfortable to wear. They fit nicely and the hook for the back of the ear holds the bud in place.- They work as expected. The case doubles as a charging station for the earbuds, and simply removing them from the case turns them on. Additionally, if I only want to use one when I'm on a conference call, no problems at all. It works fine.- The sound is a little tinny, especially during a conference call. There is a bass boost feature, but I can't get it to work. I'll keep playing with it and hopefully it will fix this issue.Due to the issues with the first two sets, I'm concerned about the quality control of the product. However, with a vendor willing to stand behind the product and make things right, it's much less of an issue. Even with the minor issues detailed above, I like these earbuds and I am happy to recommend them, in large part because of the vendor.
K**R
Beautiful sound, for small ears & great customer service
These are truly made for small ears! I finally have earbuds that stay in place and sound beautiful! The case is very sleek and pretty. I’ve used them for months so I know they will stand the test of time! They stay charged for a long time so I don’t even carry my charger cord with me, as I know I will be able to charge them at home after a few days use. I lost my charging cord and was assisted immediately after I sent an email to the company. Great customer service!! Will definitely purchase from this company again!
B**S
Great
Very good quality and great sound.
D**A
Great fit for smaller ears!
Difficult to balance sound in both ears! fit is spot on!
A**R
You get what you pay for
I bought these headphones because they were cheap and wrapped around the ear. They do have good sound quality, but I would not recommend these headphones because they require so much effort to connect to any of my devices. Perhaps it's the fact that I have an old iPhone, but my other bluetooth devices connect quickly any easily, so I'm leaning toward it being a problem with the headphones. I usually just wear one headphone so I can still hear what's going on around me, but when I do wear both headphones it's honestly a 3-5 minute process to get both of them to pair. I would say 7 times out of 10 the one headphone I'm wearing will pair no problem, but it happens often enough that I had to put it back in the case to turn it off, then take it back out, go to my settings, blah blah blah...it's frustrating. Additionally, it's maddeningly inconsistent when they will disconnect. Sometimes I'll wear one headphone at night and just take it off and put it on my nightstand before I go to sleep, and when I wake up in the morning it's still connected. Then sometimes that same headphone will disconnect if I pause my music for just a couple of minutes to have a conversation. All in all, they are $40 headphones, and they perform like $40 headphones, so I probably shouldn't be surprised.
A**R
Very Comfortable
Comfortable in ear.
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