IPX7 Sweet-Resistance: 1MORE S50 wireless earbuds supply ultimating protection for your actions with  IPX7 waterproof rating. No worry about sweat, rain, or splash in your workout time. 38-Hour Playtime with Fast Charge:  11 hours per charge and up to 38 hours of listening experience with the charging case. And a quick 5-minute charge gives you 2 hours of listening. To recharge the case, place it down on a wireless charger or use a USB-C cable. 4 Mics and Directional Sound Loops : The AI-enabled ENC algorithm accurately pick up the human voice and eliminate background noise by up to 30 dB. Innovative skin-friendly silicone directional sound loops decrease the sound leakage and provide all-day comfort. Incredible Sound: PurePower Driver technology by 1MORE S50 earbuds with diamond-like-carbon (DLC) diaphragm delivers 40% boost in power compared to conventional models. Experience remarkably well-balanced sound even the most subtle part. Innovative Open-Ear Design: 1MORE innovative open-ear sports earbuds stay connected to your music and surroundings without removing it. The super lightweight built-in memory metal wire and ear hooks supply a long-wearing comfort and stability for you.