1. [Adjustable, Suitable for All Ear Shapes] 130°Mechanical Adjustment, Never Fall off Sports Headphones, you don't need worry about them falling off or hurt. Headphones Wireless Bluetooth for exercise/gym/fitness/workout/running.
  2. [Bluetooth 5.3] Adopted the newest Bluetooth V5.3 and wireless technology, Wide compatible with most Bluetooth-enabled devices including i-Phone or Android or Windows Products, iPad, smart TV, computer, laptop, tablets etc.
  3. [48 Hours Playback and Charging Case] Earbuds can last 12 hours of use on single fully charge, longer battery life than most earphones on the market.
  4. [High-fidelity Audio & Crystal-clear Call] With 14.2mm speaker and volume-optimized active EQ, Bluetooth headset keep music sound clear and balanced with deep bass even at max volume.
  5. [Open-Ear Headphones] innovative design features a featherweight, wraparound frame and wireless, open-ear fit for comfortable, earbud-free listening.