Portable Retro Helicopter Bluetooth Speaker

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: 2h

Bluetooth version: 5.0

Impedance: 4Ω colour: blue / Pink / White