Bluetooth Alarm Clock Speaker

functions: AUX/USB/SD/BT input
Button-controlled night light/LED screen/Regular lights off to accompany sleep/Wake up, alarm/One-click hands-free calling/RGB light
Output power: 8W Speaker: 2""
Frequency response range: 60Hz~1800Hz
Distortion: <0.55%
Signal-to-noise ratio: 70 dB
Maximum expansion: 16 GB
Battery: lithium DC-5V/2000mAh
Playing time: 3-6 hours (depending on volume)
Bluetooth: V5.0 Product size: 102 * 79 * 135 mm"