Description:With ergonomic design and 180 degree swivel axis, the earphone is comfortable to wear and can be worn freely on the left and right ears.You can enjoy clear call and shocking music because the earphone has intelligent noise reduction and HiFi sound quality and 3D bilateral stereo.Made of plastic and metal materials, it is solid and durable.The length of the product is 73mm, the width is 18.8mm and the height is 5.5mm.The earphone is compatible for iOS and for Android.Item Name: Bluetooth-compatible EarphoneMaterial: Plastic, MetalStyle: A/B/C: with Digital Display, D/E/F: without Digital Display (Optional)Bluetooth-compatible Version: 5.0Talk Time: 24 HoursListening Time: 12 HoursCharging Time: 1-2 HoursStandby Time: 360 HoursTransmission Distance: 10-15 MetersBattery Capacity: 220mAh (Included)Waterproof Grade: Life WaterproofApplicable System: for iOS/for AndroidFeatures: Power Display, Clear Call, Long Battery LifeSize Details: 7.3cm x 1.88cm x 0.55cm/2.87" x 0.74" x 0.22" (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 Cable1 x User Manual