Awei KA5 Portable Bluetooth Speaker 20W.

Bluetooth scheme: V5.3+BR+EDR+BLE, JLAC6966B Supported protocols: a2dp\avctp\avdtp\avrcp\hfp\hid\rfcomm\spp\sdp\l2cap\pnp 2 horns and 2 diaphragms Charging time: 3.5-4h Playback time: 7.5-8h (at 70% VOL) Output power: 10w*2 Battery capacity: 2,400mAh Bluetooth operating frequency: 2,402-2,480MHz Receiving sensitivity: -86dBm SNR: ≥68dB Frequency response range: 60Hz~18KHz Maximum transmission distance: 10m Type-C input: DC5V/800mA Horn diameter: 57 * 57mm/4Ω SIZE:230*100*100mm