1. Material: polyester film + nylon lining + ABS plastic
2. Backpack capacity: 1.5 l; dimensions: 140 x 80 x 180 mm; weight: 450 g
3. Bluetooth 5.4; chip: JL AC6965E
4. Battery capacity: 2500 mAh; charging time: 2.5 hours
5. Usage time: 3 hours
6. Speaker unit: 52 mm; power: 8 W
7. Supports modes such as Bluetooth, FM, TF card, USB flash drive and wired microphone













