Portable bluetooth speaker:
Power Supply: DC 5V 1A
Output Power: 66mm ,2x8W
Impedance: 4Ω
THD: ≤20%
SNR: ≥80db
Battery: 1500mAh
Function:TWS/Bluetooth/USB/SD/AUX IN/FM RADIO
Playback time: Around 3-4 hours
Battery charging time: around 5 hours