The use of ergonomic ear hook design allows you to enjoy more comfortable wearing experience.The earphone has HiFi sound quality and 3D stereo bass surround, which allows you to enjoy wonderful music experience.It is made of high-quality ABS material, which is lightweight and comfortable. With IPX5 waterproof, the earphone is no fear of sweat and rain.The length of the product is 17cm, the width is 10cm and the height is 1cm.Bone conduction earphone spreads to the eardrum through the airflow through the sound hole, which will not damage the eardrum, making it safer, more comfortable and healthy. And it is suitable for running, cycling, fitness, walking, climbing and driving.Item Name: Bluetooth-compatible EarphoneMaterial: ABSBluetooth-compatible: 5.0Effective Distance: 10 MetersChannel: StereoStandby Time: 200 HoursMusic Time: 10 HoursCharging Time: 1-2 HoursBattery Capacity: 180mAh (Includedd)Waterproof: IPX5 Adaptation System: for Android/for iOSFeatures: 3D Stereo Bass, Comfortable to Wear, Long Battery LifeSize Details: 17cm x 10cm x 1cm/6.69" x 3.94" x 0.39" (Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Bluetooth-compatible Earphone1 x Charging Cable 1 x User Manual