Specifications:
Bluetooth Version: BluetoothV4.0  
Input Voltage: DC-5V/1.5A  
Battery: 18650 battery3.7V/4400mAh  
Speaker: 2*10w
Pairing Range: upto 10 meters under barrier-free condition
Playing Time: about 25 hours at 70% volume (depends on different music)
Standby Time: 4200 hours
Charging Time: about 8 hours
Material: ABS/ Silicone/ Metal
Product Dimension: 180mm(L) x71mm(W)x 70mm(H)
 
Package Includes:
1*VTIN Punker Bluetooth Speaker
1*AUX Audio Cable
1*Hook
1*USB Charging Cable
1*User Manual