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.
Wireless version: 5.0.Support: Hands-free,TF card, AUX, FM, USB, TWS. Working distance:≥10M. Battery: 3.7V, 1200mAh. Charging: 5V/1A.
Dimensions: 4.3" x 2.8" x 3.2"