K650 Bluetooth Speaker

Chipset: Jieli 6925c

Bluetooth Version: V5.0+EDR
Track system: Stereo Dual Sound Track
Battery Capacity: 2200mAh
Driver Units: 43+6Ω8W*2pcs+4Ω15w*1pcs
Impedance: 6Ω?4Ω
Rated Power: 31w
Driver Power: 8W*2/15w*1
Color: Black
Charging Time: 4h
Talk Time: 12h
Music Play Time: 12h
Bluetooth Protocol: A2DP / AVRCP / HFP / HSP
Frequency Range:100Hz-20KHz
Input Voltage: DC5V-500mA
Bluetooth Frequency: 2.4GHz-2.480GHz
Optimal Talking Distance: ?1M
Transmission Distance:  10Mbarrier-free space)
Voice Prompt: Yes
Multipoint Connection: Yes
Instruction: Chinese & English