1. Speaker: 52mm*2, power: 5W*2
2. Size: 410*65*65mm; Weight: 655g
3. Bluetooth chip: Jerry JL; version: 5.0
4. Battery capacity: 1200mAh, 18650 lithium battery, talk time: 6 hours, music time: 3 hours (80% volume)
5. Support Bluetooth playback, call, TF card, USB, AUX playback mode