1. Speaker unit: 45MM * 2; maximum output power: 3W * 2
2. Size: 198x79x78mm; Weight: 495g
3. Bluetooth specification: Bluetooth V5.0 JL
4. Function: support Bluetooth, call, FM, TF, USB, AUX, TWS mode
5. Charging time is about 2.5 hours; call / music time: about 8 hours (at 80% volume playback)
6. Battery: 1200mAh A-class 18650