Type: Active 
Use: Computer, Mobile Phone, Portable Audio Player, 
Stage Channels: 2 (2.0) Special Feature: Mini, Portable, Wireless  Color: black,red blue,wooden,green 
Function: Bluetooth/USB/TF card/AUX/FM Audio 
Battery capacity: Built-in 18650 battery 1200 Mah 
Bluetooth version: V2.1+EDR 
Frequency response: 100 hz - 18 KHZ 
Material: Wooden+plastic 
Bluetooth solutions: JIANRONG 
Output power: 3W * 2 
Signal to noise ratio: 80 db or higher