Bluetooth Speaker Outdoor Bicycle Portable Subwoofer Bass Wireless Speakers With LED Light HT-S

Emergency flashlight function (3 SOS lamp modes)
Micro SD/TF card and Bluetooth music player
Bluetooth version: 4.0
Transmission distance: 10 meters
Operating voltage: 3.7V
Frequency response: 20Hz-20kHz
Signal to noise ratio: greater than or equal to 90dB
Music playback: 10 hours
Charging time: 5 hours
Output power: 3W
LED lamp power: 1W
Standby: 30 days
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