● Built-in large capacity Li-ion batteries (7.4V, 2700mAh,20Wh)，Charges smartphones and tablets via USB
● Classs-D 2X12W(RMS)
● 2×2＂Fullrange speaker+Passive Radiator
● Bluetooth 5.0 ，HFP，A2DP，AVRCP，APTX，TrueWireless Stereo
● built-in noise and echo cancelling speakerphone for crystal clear conference calls
● Professional DSP Audio Processing Chip，Immersive 3D Sound Experience，NFC
● Waterproof and Dustproof IP67 design for worry-free usage
● Build energy with a Multicolored line light
● Product Dimension：238*82*87.5（mm