*Bluetooth speaker with hands free Call function and TF Card reader
*Transmission distance: 10M 
*Bluetooth compatibility: Bluetooth 3.0
*Power: Lithium battery 250mah 
*Speaker: 3W/4Ω
*Frequency Response：2.402-2.480GHZ
*Data Transmission:UP TO 3MBPS
*Charging Voltage: 4.8V-5.5V DC
*S/N:≥ 82dB
*Accessories: 1PC USB Cable and Lanyard
*With assorted colors
*Unit Size: 5*5.6CM
*Material: ABS

Packing: each in a window white box
CTN Dimension: 32.5*30*32CM/100PCS
G.W./N.W./CTN:12.8/11.8(kgs)