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

Bluetooth 5.3 and one-step pairing: the running headphones are equipped with the latest Bluetooth 5.3 chip to ensure faster and more stable signal transmission. Press the MFB button on the headphones, select "U8I" on the Bluetooth setting of your devices, the wireless headphones will pair correctly with the Bluetooth device in 1 second and automatically pair this device on the next use. High fidelity sound and CVC8.0 noise reduction: the Bluetooth headphones are equipped with a built-in 13 mm speaker driver that produces deep bass and crystal clear treble, allowing you to be surrounded by high-quality stereo sound. The CVC8.0 noise reduction technology of the wireless earphones allows the other party during calls to clearly hear your voice without disturbing ambient noise. 【Sports Waterproof Headphones IPX7】Adopting nano-coating material, the sports headphones achieve IPX7 waterproof and sweat-resistant. No need to worry about the earphone corroding from sweat during a lot of aerobic exercises. (Not suitable for swimming!) 【 15 hours of battery life 】 The Bluetooth headphones can play music for about 15 hours or 250 hours on standby with just 1.5 hours of super-fast charging (USB-C port). The battery status of the Bluetooth earbuds will be automatically displayed on the iOS phone screen. Ergonomic design for comfortable fit: with a lightweight and ergonomic design, the ear hooks of the in-ear earphones are made of soft and skin-friendly material, they adapt to the ears and do not fall off easily (ear tips sizes: XS, S, M, L). The headphones are portable for running, hiking, cycling, traveling, climbing, etc.