Material technology ABS+rubber oil+canvas

Bluetooth version 4.2

Channel mode Mono

Playback format MP3 / WMA / WAV

Amplifier specification 3W*1

Speaker specification Ø40mm, 4Ω3W*1

Bass diaphragm 30*40mm

Distortion rate<3%

Bluetooth distance<10 meters

Extended memory 16G

Frequency response 80Hz-20KHz

Signal-to-noise ratio ≧75dB

Charging parameters 5V 0.3A

Product size 118x39x78MM

Packing specifications 133x43x84MM

Outer box specifications 44x28x43.3CM

Gross weight 16.5KG

Packing quantity 100PCS/box