YY-708 Neck Hanging Noise Reduction Card Bluetooth Sports Headset with Flashlight Function(Grey)

1. Material: ABS, electronic components2. Bluetooth version: 5.13. Receiving distance: 10 meters4. Voice prompt: support5.Using mode: bluetooth/plug-in card6. Battery capacity: 300mAh lithium battery7. Charging time: about 1 hour8. Standby time: about 150 hours9. Playing time: about 40 hours10. Polymer composite diaphragm, the sound quality is clearer11. The memory collar can be bent at will, skin-friendly and comfortable12. In-ear design, stable and not falling13. Ergonomic design, comfortable to wear14. HIFI stereo surround sound15. Waterproof body + sealing elements, effectively waterproof16. Card design, button operation, simple and convenient