【Bluetooth 5.0 Technology& Easy Pairing】Adopting the most advanced Bluetooth 5. 0 technology. TOZO 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 Contro&Smart LED Digital Display】 Features with touch control sensors, TOZO 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, Hi-Fi Stereo Sound Quality】TOZO T12 wireless earbuds are designed of curved in-ear by silicone earhooks, holding wireless Bluetooth headphones in place even during active movements.TOZO T12 Offers a Truly Natural, Authentic Sound and Powerful Bass Performance with 10mm Large Size Speaker Driver- the drive area is 2.77 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 go】TOZO T12 wireless earbuds can last for over 5 hours' playtime from a single charge and 18 extra hours in the compact charging case. Providing convenient charging way with no strings attached.When the charging case is placed on the wireless charger for charging, the motor will vibrate to remind that it is charging.