H2 Colorful Luminous Subwoofer Folding Retractable Card Wireless Bluetooth Headset(Black)

1. Adopt stainless steel wire drawing telescopic head beam design to strengthen the toughness between the headset and the head beam2. 40mm large moving coil unit, strong bass3. Lightweight and durable, foldable storage, long-lasting battery life4. Colorful breathing light, one key to turn on/off the light5. Bluetooth 5.0 chip, fast connection, stable transmission, stable signal6. All-inclusive cover for comfortable noise shielding7. Binaural stereo design, listening to voice8. Ergonomic head-wear design, fits the head shape and is comfortable to wear9. Three modes of card, bluetooth and cable10. Battery capacity: 650mah11. Power supply mode: USB charging / built-in lithium battery12. Charging time: 2-3 hours13. How to use: head-mounted14. Use time: about 24 hours15. Standby time: about 300 hours16. Rated power: 5W17. Rated current: 1A18. Charging voltage: DC 5V19. Frequency response: 20-20000Hz20. Channel: Stereo21. Impedance: 32 ohms22. Function: battery display, call function, voice