Features:

1.the bluetooth v2.1+EDR wireless module
2.Support simple pairing，bluetooth automatic back to even
3.The bluetooth transmission distance of 10m
4.Upper and lower control
5.Volume control
6.Pause playback funtion
7.TF card play function
8.The built-in lithium electricity， micro USB charging

Specification:
The machine output power: 4.2v 3.5w
Frequency response:100hz -18KHZ
Sigle to noise ratio 85dB
The wrking voltage of 3.3v-4.2v dc voltage stability
Battery capacity : 1800 ma
charging voltage:3.7v5v2a
Product size: 170 x 253 x 253 mm

Package list:
1 x Bluetooth Speaker
1 x Gift box