Bluetooth version: 4.0
Transmission distance :> 10 meters
Display: LED
Speaker:52mm diameter speaker, 16 core dual.
Rated power :3W
Sensitivity: less than 400MV
The Signal to Noise ratio: less than 82db
Distortion rate:less than 0.5%
Frequency response:50Hz-20kHz
Battery capacity:1200mAh ,3.7V
Charging time: 3 Hours
Rated Voltage: 5V 500mAh DC
Storage expansion:TF card,U disk, MP3 formate (32G)
Product materia:ABS plastic ,Iron mesh,silica gel pad
Color: Black,silver,rose gold,Gary
Bluetooth Speaker Wireless Charger/Power bank USB Flash Drive
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