Outstanding Sound. TWS6 is featured with Knowles balanced armature drivers that offer great sensitivity. 20 fitting choices - The TWS6 come with 3 pairs of silicon earbuds, 3 sets of 'shark fin' sleeves and 2 pair of memory foam tips, total 20 different fitment setup to ensure a secure fit for everyone. Together with IP55 Water and dust Resistance, makes it perfect for intense workouts and sports activities. Super-Fast Transmission with Ultra-Low Latency. Enjoy fast transmission with the range up to 10m(33ft), thanks to Bluetooth 5.0 with Qualcomm® aptX audio and Laser Direct Structuring antenna. Up to 32 Hours of Playback. A single charge provides 8 hours of battery life with 3 extra charges using the wireless charging case. Wireless charging and USB Type C charging available. Ultra-slim design - Both the charging case and earbuds are one of the most compact design on the market, minimize the presence and maximize the comfort level for prolonged wearing.