Bluetooth Speaker 15W Wireless Charging Clock LED Alarm Clock Audio New Hotel Supplies Wireless Charging Bluetooth Audio

Connection method: Bluetooth connection
Frequency response range: 100HZ-20KHZ
Signal to noise ratio: ≥ 85dB
Number of speakers: 1
Effective distance: 10 meters
Box material: plastic
Power mode: USB
Battery capacity: 2000mAh
Built in battery: Built in battery