Bluetooth Headphones, Running Headphones Wireless Earbuds with Bluetooth 5.3 Chip IPX7 Waterproof Sport Earphones In-Ear 15 Hours Battery Sound Isolation Headsets for Gym/Outdoor/Sports/Workout/Yoga

【Bluetooth 5.3 & One-Step Pairing】 The running headphones are equipped with the latest Bluetooth 5.3 chip to ensure faster and more stable signal transmission. Turn on the MFB button on the headphones, select "U8I" on the devices' Bluetooth setting, the wireless headphones will successfully pair with the bluetooth device in 1 second and auto-pair this device next time use. 【High-Fidelity Sound & CVC8.0 Noise Reduction】 The Bluetooth headphones are built-in 13mm speaker driver that producing deep bass and crystal treble, allowing you being surrounded by high quality stereo sound. CVC8.0 noise reduction technology of the wireless earbuds enables the other party on calls can hear your voice clearly without disturbed by the environmental noise. 【IPX7 Waterproof Sports Headphones】 Adopting with nano-coating material, the sport headphones achieve IPX7 waterproof and sweatproof. No need to worry about the headset will corroded by sweat during a lot of aerobic exercise.(Not suitable for swimming!) 【15 Hours Long Battery Life】 The Bluetooth headphones can play music for about 15 hours or stand-by 250 hours with only 1.5 hours super fast charging time(USB-C port). The Bluetooth earphones battery status will be automatically displayed on the iOS phone screen. 【Ergonomic Design for Comfortable Fit】 With ergonomically designed and lightweight, the ear hooks of the in-ear earphones are made of soft and skin-friendly material, fitting ears and uneasy to fall out(Eartips Size: XS, S, M, L). The headphones are portable for running/ hiking/cycling/travelling/climbing etc.