Bluetooth  Version:V4.2
ChargingLi-battery/ USB-5V
Power:5W*1
Materials:ABS+PC
Function:Colorful lights, BT, hands-fee calls, TF card
Channel1
Distortion:<3%
Receiver Distance:﹤10M
Speaker Ø40mm: 4Ω/ 3W*1
Battery:400mAh
Charge:5V 0.3A
Playing Time:2-3hours
Extend 16G
Frequency: 100Hz-20KHz
Signal Noise Ratio:≧75dB
Color: White shell+Colorful lights, Spring, Summer, Autumn, Winter