Speaker BT WK SP500 TWS Black

WK Design-TWS Bluetooth Speaker-SP500
TWS+AUX Magnetic separable
3D surround stereo sound
TWS wireless dual channel
Long lifecharging 1.5H
Listening to songs for 3-4 hours
Unique design 

Bluetooth: V4.1
Rated power: 5Wx 2
Frequency: 180Hz-20kHz
Signal noise ratio: 75db
Lithium battery: 3.7V/600mAh
Play time 3-4 hours
Charging time: around 1.5H
Weight: 338g