1. Support Bluetooth, FM, TF card, U disk, AUX and other modes
2. Bluetooth 5.0; Chip: Jerry
3. Battery capacity: 2400mAh; charging for about 3 hours
4. Talk/music time: 4 hours
5. Speaker unit: 52mm*2, power: 5W*2
6. Size: 180x75x75mm; Weight: 500g