2 to 5 business days
LED colorful lights flashing, Bluetooth wireless radio, FM radio, hands-free calls, AUX audio input, U disk, TF card, and headphone jack output.
Bluetooth version: Bluetooth 2.1
Speaker: A new 40mm speaker
Power: 4 3W
Connection method Bluetooth connection Interface type
USB material: ABS housing.
Adjustment method: key.
Operating voltage DC3.7V-4.2V
Power supply: high-quality A new dual-protection lithium battery (3.7V, 400 mA)
Play time: medium volume 2-3 hours or so.
Lightning time: 2 hours
Charging voltage: limit voltage of DC5V
Torque current: DC500-1000MA
Signal to noise ratio:> 80DB
.jpg?s=213x220 "C15 BASS Bluetooth Portable Speaker With FM/USB")
.jpg?s=213x220 "M1 Mini Portable Bluetooth Speaker")
.jpg?s=213x220 "Wster Ws 1838 Portable Lightweight Bluetooth Speakers")