What is TWS technology? True Wireless Stereo refers to a technology which allows you to pair two audio devices wirelessly, meaning that you can transmit the L channel (left) and the channel R (right) separately.

Features: Wireless Connectivity, supports USB/TF card, FM Radio, TWS, Rechargeable Lithium battery, Karaoke function, LED disco light.

Specifications: Operation range: 10M, Battery: built-in rechargeable 1200mAh Lithium-ion, Output Power: 10W, Input Voltage: DC 5V, Frequency response: 100Hz-20KHz, Loudspeaker: 4 inch 5W*2, Distortion: ≤10%, S/N ratio: ≥80dB, Multimedia input: Micro SD/USB.

Dimensions: 16*7*7 inches.