1. Material: ABS 2. Size: 79*79*270mm, weight: 412g 3. Speaker diameter: 57mm, power 5W 4. Bluetooth solution:JL AC6925; Bluetooth version: 5.0 5. Battery capacity: 1200mAh, 3 hours of charging, 6 hours of music time 6. Wireless connection: Song microphone can connect to mobile phone via Bluetooth 7. Support TF card/U disk playback, the capacity does not exceed 32G; the original singer/accompaniment one-key switch; with magic sound function, multiple voice change modes, K song is more interesting