Open ear headphones with bluetooth speaker small . Stay in close contact with your surroundings at all times, best earbuds for working out.Features1.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 SpecificationType: open-ear bluetooth headphonesBluetooth specification:V5.4Transmission distance: About 10m/33 feets(barrier-free)Play time: About 5-6 hours (50% volume)Charging time：1-2 hoursCharging case Battery capacity: 400mAhWaterprof :IPX5Charging port:USB CNote: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 headphones1 x USB-C cable1 x User manual1 x Exquisite packaging box