1. Bluetooth version: 5.0 2. Battery capacity: 1200mAh 3. Charging compartment interface: Micro USB 4. Charging voltage: 5V 5. Sound unit: 58mm 6. Frequency response range: 80Hz-18kHz 7. Signal to noise ratio: greater than or equal to 80dB 8. The listening time is about 12 hours, the talk time is about 10 hours, and the charging time is about 2-3 hours. 9. Adopt dual unit + dual bass diaphragm design, small size and sufficient volume 10. Support Bluetooth, card connection, U disk, wired connection, FM radio 11. 6D cinema sound effect four units 12. Material: plastic + metal 13. Size: 38.1x6.5x5.6cm, weight: 607g
