Bluetooth Version:	v5.0
Bluetooth Chipset:	JIELI
Bluetooth Profiles:	A2DP，AVRCP, HFP, HSP
Frequency Range:	20Hz-20KHz
Input:	5V, 1A
Speaker Output:	7W*2
Impedance:	4 Ohm
Battery Capacity:	4000mAh
Music Playback Time:	7.5-14.5Hours
Charging Time:	4 Hours