[IPX8 Waterproof & Comfort Fit] With an IPX8 waterproof rating, this wireless earbuds can effectively prevent damage from water, sweat and rain, so you can focus on your workout and enjoy your outdoor activities. These headsets adopted a curved, ergonomic in-ear design, making them comfortable to wear for long periods of time and not falling out when playing sports. There are 6 pairs of different sized soft rubber ear caps for you to choose from. [Immersive Stereo Sound] TOZO T20 features a 10mm diameter speaker with the latest dynamic horn loudspeaker and larger dynamic drivers. The upgraded T20 speaker diaphragm area is 56.3% larger than the previous generation, bringing better low-frequency performance, making the sound fuller and more vivid than ever, and the sound field is wider, providing you a truly immersive listening experience. [48.5 Hours Playtime & Real-Time LED Power Displays] On single charge, it can be used for about 13 hours playtime and 48.5 extra hours with the compact charging case. Also, the wireless earbuds are equipped with a digital LED smart display to show the power level for charging case and wireless headphones in real-time. When charging the case, the LED light will flash from 1 to 100. And the charging case support both wireless charging and USB C cable charging. [Support TOZO APP] Enjoy different styles of music with TOZO APP, offering a various selection of EQs to tailor the sound to your preferences. With the convenience of TOZO APP, you can easily switch between different EQs and enjoy your favorite music anytime, anywhere for the ultimate personalized listening experience. [ENC with Dual Mic Call Noise Reduction] TOZO T20 bluetooth headphones dual microphone built-in equipped the latest moving-coil Horn loudspeaker with bigger dynamic driver. Noise Reduction can make others hear you very clearly while phone calls, providing you with more realistic call sound and reproducing your music vividly.