Product Details: >> New-generation Bluetooth 5.0 with TWS tech chip built-in both earbuds, provides faster pairing, stable connection and signal transmission (50ft no-obstacle range).L/R earbuds would automatic connect each other after taking out them from the charging case, powerful Bluetooth 5.0 chip works with tablets, laptops, iOS, and Android smartphones! >> It offers a authentic sound HIFI stereo and powerful bass performance with 8mm large size speaker driver, feel like u are listening the concert on the scene, W19 give u a incredible music experience. Single charging can maintain earbuds working 4 hours, with the wireless charging case. You can also charge Your earbuds whenever and wherever. >> Features with touch control sensors, W19 minimize the pressure to ur ears when u touch the button for various functions. The touch program adopts a special software, single touch to play/pause music or answer/hand up the call. >> Press and hold 2s to reject the call. Press twice quickly for next track, press thrice quickly for previous track. With Nano coating, it can fend off sweat and a good choice for workouts.W19 makes an ideal companion while jogging, running, sports, etc(Not for Swimming and Taking Shower).Premium Quality Materials manufactured, durable and health