Bluetooth 5.0 Technology& Easy PairingAdopting the most advanced Bluetooth 5. 0 technology. T12 Support HSP, HFP, A2DP, AVRCP. Pick up two headsets from charging case and they will pair to each other automatically, then only one step easily enter mobile phone Bluetooth setting to pair the earbuds, which provides in-call stereo sound. Also own fast and stable transmission without tangling.Touch Control&Smart LED Digital Display Features with touch control sensors, T12 Headset can largely minimize the pressure to your ears when you touch the button for various functions. In Wireless Charging case, the smart LED digital screen can check battery consumption display anytime.Comfortable Wearing, Premium Fidelity Stereo Sound QualityT12 wireless earbuds are designed of curved in-ear by silicone earplugs, holding wireless Bluetooth headphones in place even during active movements.T12 Offers a Truly Natural, Authentic Sound and Powerful Bass Performance with 10mm Large Size Speaker Driver- the drive area is 2.22 times than the normal drive area.IPX8 waterproof Earbuds and charging case inner Nano-coating makes it possible to waterproof for 1 meters deep for 30 minutes. It is suitable for sports to prevent water. Ideal for sweating it out at the gym . Even Wash the earbuds and base.Charge on the goPlaytime lasts for over 6 hours from single charge and total 28 hours with charging case. Enjoy fast charging, to fully charge the rechargeable case only 1.5 hours via fast charge USB-C cable or less than 2 hours via wireless charger. Providing convenient charging way with no strings attached.