BS40 Desire song sports wireless speaker

1, size: 230x94x98mm; weight: 775g 2. Bluetooth version: 5.0, Bluetooth chip: JL AC6925F 3. Battery capacity: 2400mAh, charging time: about 1.5 hours 4. Talk/music time: 4 hours 5. Speaker unit: 66mm*2, power: 7W*2+2 low-frequency diaphragms 6. Support Bluetooth, FM, TF, USB, AUX, and other modes"