Portable Retro Helicopter Wireless Bluetooth Speaker Multifunction 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)