REMAX RB-M21 Portable Speaker Mini Bluetooth4.2 Wireless Mobile Speaker

Features:
Use Bluetooth Smart Memory Pairing to quickly pair devices.
ABS material with audio nylon mesh surface, comfortable grip.
AUX, memory card, Bluetooth, FM function to receive external audio.
Long-lasting, waterproof, wireless restore real voice.

Specifications:
Bluetooth version:V4.2
Battery: 2200mAh
Effective distance: 10 meters/32.8ft
Watt: 3.5W * 2
PSNR: 76dB
Charging time: 3.5 hours
Charging voltage: 5v 0.7-1A
Playback time: 4-5h (maximum sound)
Microphone sensitivity: -42db±2db
Frequency response: 65hz-20khz
Waterproof rating: IPX5

Input sensitivity: 850±30mV

Color:white/blue/black/red

Notes:
There may be slight size deviations due to manual measurement, different measuring methods and tools. 
The picture may not reflect the actual color of the item because of different photographing light, angle and display monitor.

Package Content:

1 x Bluetooth Speaker

1 x Manual