Color: black, white Shell material: ABS + acrylic Bluetooth version: 5.0 Transmission distance: 10 meters Speaker: 50mm full range speaker Frequency response range: 20Hz-20KHz Signal to noise ratio: 102db Battery capacity: 600mAh Life time: 6 hours TF card playback: support up to 32G (not included) Power: 3W Channel: 2.1 Input: DC 5V 1A Function: with Bluetooth call, LED light, TWS interconnection function Product size: 6.5*6.5*9cm