FG-69 Bluetooth Wireless Headset Subwoofer Mobile Computer Headset(Black)

1. Transmission range: 15 meters2. Functions: battery display, call function, music support3. Bluetooth protocol: 5.04. Channel: stereo5. Whether single or double ear: bilateral stereo6. Built-in battery: 400mAh lithium battery7. Charging time: 2-3 hours8. Standby time: about 200 hours9. Playing time: 8-10 hours10. Size: 17.2x17x7.5 cm11. Weight: 184 grams12. Skin-friendly artificial protein leather earmuffs, comfortable to wear13. Telescopic head beam design14. Fifteen meters Bluetooth stable transmission