Open ear headphones with bluetooth speaker small . Stay in close contact with your surroundings at all times, best earbuds for working out. Features 1.Open ear earbuds are made of non-slip& skin-friendly ABS, suitable for sports outdoor and daily use, will comfortable and stable to wear for a long time. 2.Through IPX5 waterproof Sweatproof nano-coating, the wireless headphones provide protection from sweat/ rainstorm, which fit for jogging, hiking, gym exercises, fitness, etc. 3.Open ear headphones are equipped with dual noise-canceling microphone for crystal-clear calls on both ends. 4.Fully charged Bone conducting headphones can listen to music 5-6 hours. 5.The new upgraded Bluetooth 5.4 chip?the wireless connection is faster and more stable. Product Specification Type: open-ear bluetooth headphones Bluetooth specification:V5.4 Transmission distance: About 10m/33 feets(barrier-free) Play time: About 5-6 hours (50% volume) Charging time?1-2 hours Charging case Battery capacity: 400mAh Waterprof :IPX5 Charging port:USB C Note: 1. Please read the user manual carefully before use. 2. If you receive a defective product or have any questions during use, please feel free to contact us. Package: 1 x Workout open ear headphones 1 x USB-C cable 1 x User manual 1 x Exquisite packaging box