Subwoofer High Volume Wireless Audio Bluetooth

Function: Waterproof, dustproof, anti-drop, call function
Type: Bluetooth speaker
Connection Method: Bluetooth Connection
Interface type: USB
Battery Capacity: 500mAh
Frequency Response Range: 40Hz-20KHz
Power Supply Mode: Built-in Lithium Battery
Channel: 2
Playing Time: 8 hours
Bluetooth Protocol: 4.1
Number of Speakers: 2
Effective Distance: 10 Meters
Operation Mode: Button
Play Format: MP3, WMA, WAV
Shell Material: Metal
Speaker Adjustment Method: button
Box Material: Metal
Appearance Size: Mini
Product Weight: 0.195 (KG)

Packing list :

Bluetooth speaker X1