Eson Style ES20 new arrival Wireless fast charge Bluetooth speaker with Time display

1. Bluetooth version: V4.2 Alarm Wireless Fast Charger 3. Bluetooth protocol: A2DPV1.2, AVRCPV1.4, HSPV1.2 HFP1.6 4. Wireless frequency range: 2.402 GHz ~ 2.48GHz 5. Modulation method: GFSK 6. Speaker power: 5W*2 7. Bluetooth distance: 10 meters 8. Audio frequency range: 20Hz ~ 20KHz 9. Speaker: Square 40*2 Speaker 4 Euro 5W 10. Microphone: High-intensity capacitive microphone 11.Battery model/capacity: Battery 3.7V 5200mAh two sections 18650 / with precision protection board 12. Charging time: 3 hours 13. Charging voltage: DC 5V 14. Talk time: 8 hours or so 15. Play time: 4h, 80%: 6h, 50%: 8h 16. Standby time: up to 400 hours 17. Sleep mode: Press and hold the M button to enter the sleep mode. Press the M key again to set the waiting time before the sleep mode. 18. Doze mode: When the alarm sounds, press the alarm button to enter the hiccup mode. When entering the nap mode, the alarm will sound after 9 minutes.