Description:Bluetooth earphone uses ergonomic ear hook design, which is comfortable for you to wear without pain.HiFi sound quality, dual stereo, long endurance, noise reduction, swear-proof and IPX5 waterproof are the functions of this bluetooth-compatible earphone.It is made of ABS and metal high quality material, which is lightweight and durable.The length of the product is 15cm, the width is 12cm and the height is 5cm.It spreads to the eardrum through the sound transmission hole and air flow, which is safer, more comfortable and healthy. It is suitable for sports, running, travel, etc.Item Name: bluetooth-compatible EarphoneMaterial: ABS,MetalBluetooth Version: 5.1 Charging Interface: Micro Sensitivity: 90dB Impedance: 32Ω Battery Capacity: 120mAh (Included) Effective Distance: 10m Music Time: 6-7H Talk Time: 8H Charging Time: 1.5H Protection Grade: IPX5 Waterproof Features: Ear Hook, Bone Conduction, HiFi Sound QualitySize Details: 15cm x 12cm x 5cm/5.91" x 4.72" x 1.97" (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 Earphone 1 x Charging Cable