







🎧 Elevate your active lifestyle with open-ear freedom and pro-grade sound clarity!
The EarFun OpenJump wireless earbuds combine an innovative open-ear ergonomic design with premium Hi-Res LDAC audio, AI-powered 4-mic call clarity, and an ultra-long 42-hour battery life. With IPX7 waterproofing and Bluetooth 5.3 multipoint connectivity, these earbuds are engineered for seamless all-day comfort, crystal-clear calls, and unstoppable workouts.


| Headphones Jack | No Jack | 
| Model Name | EarFun OpenJump | 
| Connectivity Technology | Wireless | 
| Wireless Communication Technology | Bluetooth | 
| Included Components | User Manual, EarFun OpenJump | 
| Compatible Devices | Smartphones, Tablets, Laptops, Desktops, Smart Speakers, Televisions | 
| Item Weight | 72.4 Grams | 
| Water Resistance Level | Waterproof | 
| Net Quantity | 2.0 count | 
| Control Method | Remote | 
| Number of Items | 1 | 
| Battery Life | 42 Hours | 
| Audio Driver Type | Dynamic Driver | 
| Bluetooth Version | 5.3 | 
| Earpiece Shape | ear hooks | 
| Manufacturer | EarFun | 
| Model | OW100B | 
| Model Year | 2025 | 
| Product Dimensions | 7.61 x 6.69 x 2.73 cm; 72.4 g | 
| Batteries | 3 Nonstandard Battery batteries required. | 
| Item model number | OW100B | 
| Batteries Included | No | 
| Batteries Required | No | 
| Battery cell composition | Lithium Ion | 
| Includes Rechargeable Battery | Yes | 
| Item Weight | 72.4 g | 
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