Bluetooth speaker, play music wirelessly.
Handsfree function for calls.
Accord with bluetooth V3.0 +RDA 
Transmission range: <10M 
USB charging voltage: DC 5V. 
Output power: 3W. 
Built-in power: Li-ion battery 3.7V/300MA 
Accessories: USB charging cable. 
Material: ABS + silicon 
Size: 6.5*6.5*6cm