1..The i12 TWS run on the brand new Raychem 5.0 chipset featuring a highly responsive touch sensor in order to come as close as possible to the touch feedback found on the Apple Airpods. This same sensor is also responsible for boosting the Bluetooth range and improves battery performance.Feb 27, 2019Product name: i12 TWS Bluetooth 5.0 Headph...Package contents: 1 x pair of Bluetooth headp...Battery capacity(mAh): 35mAh(single earphone)Charging time: 1-2 hours