Alarm Clock Bluetooth Speaker Light

Bluetooth speaker, wireless connection phone, tablet, laptop, wireless music player
Phone hands-free calls, call no echo, a key to easily achieve wireless hands-free calls
Readable TF card function
Bluetooth auto sleep, 24 hour uninterrupted clock display and alarm alert
Parameter description:
Bluetooth V3.0 + EDR, 10 m wireless connection (open)
Power supply: DC (5V 500-1000mAh) is charged
The frequency range is 120 Hz to 20 kHz
Output power: 3W