Wireless Earphone Bone Conduction Sport Swimming Bluetooth Compatible Earphones Hand-free With Mic For Sports X7 Earbuds

Wireless Earphone Bone Conduction Sport Swimming Bluetooth Compatible Earphones Hand-free With Mic For Sports X7 Earbuds Bluetooth version: 5.3 1. New bone conduction technology, 16mm large moving coil unit 2. Effectively reduce sound leakage, sound insulation and vibration prevention 3. Stronger anti-interference ability, low latency, and smoother games 4. IPX68 sports waterproof, light to wear without burden 5. The directional vibrator is more comfortable to wear without in-ear 6. Vibration speaker size: 16mm 7. Bluetooth transmission distance: ≥10M 8. Playing time: about 7 hours 9. Charging time: about 2 hours 10. Speaker specifications: 0.5W, 8Ω, 86±3dB 11. Rated input: 5V=100mA 12. Headphone battery capacity: 135mAh