Portable Retro Helicopter Wireless Bluetooth Speaker, Multifunctional Aircraft Modeling Sound-bar For Mobile Phone, Home Office,

Specification :

Channels:2 (2.0)
Communication:AUX,Bluetooth
Output Power:3W
Frequency Range:100Hz-20KHz
Playback Function:MP3
Battery voltage: 3.7v-4.2v
Battery capacity: 400MAh
Interface type: micro-usb
Input: 5V / 1A
Life time: greater than 6h
Charging time: 4.5h
Bluetooth version: 5.0
Impedance: 4Ω
colour: blue / Pink / White
Material:ABS
Size: 71*54*68 (mm)