Wireless Charging Phone Holder Mini Subwoofer Bluetooth Speaker

Product information:
Battery capacity: 3600mah
Frequency response range: 100HZ-20KHZ
Output power: 10w
Signal to noise ratio: ≥75dB
Power supply mode: built-in lithium battery
Channel: 2
Play time: 8 hours
Expansion storage: 16GB
Bluetooth protocol: 4.1
Number of speakers: 2
Effective distance: 10 meters
Function: insert card, dustproof, voice prompt, call function
Operation mode: button
Play format: MP3, WMA, WAV
Shell material: plastic