"Latest Bluetooth 5.0 TechnologyWith the latest "Bluetooth 5.0" technology with built-in high-resolution decoder and AAC/SBC audio encoding technology, the transmission speed and communication range have been greatly improved. Updated TWS headset Compared to other TWS headphones, QCY T2C allows you to play in split, mono and stereo mode.In addition, its upgraded capacity of 800mAh allows you to listen to music for a total of 32 hours.The charging cover is also designed to provide a cover that protects your headphones from unexpected scratches or loss from daily use.Auto PairingSay goodbye to complicated pairing operations!Simply removing the headphones from the charging case, the headphones automatically turn on and enter pairing mode.Automatically turn on and off when out of the charging case.Built-in Microphone & IPX4 WaterproofBuilt-in Microphones in both headsets with voice assistant (Google Assistant, Siri, etc.) and phone calls with one or two headsets. High level water resistant, suitable for sports to keep water or sweat out.