Awei TWS Stereo Sound Bar Wireless Speaker

Brand: awei model: y333 bluetooth chip: zhongke lanxun bluetooth version: 5.0 bluetooth frequency: 2.4ghz battery capacity: 1800ma/3.7v bluetooth transmission distance:> 10m bluetooth transmitting frequency: class 2 (2.5mw) bluetooth antenna: built-in bluetooth protocol: a2dp/avrcp/hfp/hsp rated power: 5w*2 distortion degree: thd<1% frequency response range: 60hz~16khz signal to noise ratio: ≥90 fm frequency bandwidth range: n fm antenna: n battery life: >3.5h (100% volume) charging time: <3h working voltage: dc 3.3v-4.2v charging voltage: dc 5v±0.2v charging current: ≥1a charging interface: micro_usb product size: 460mm*78mm*74.5mm(l*w*h) product weight: 980g