The earphone adopts ergonomic ear hook design, which allows you to wear comfortably without pain. Long endurance, HiFi sound quality, stereo sound, comfortable wearing, swear-proof and IPX5 waterproof are the functions of the Bluetooth-compatible earphone. Made of high-quality ABS material, it is solid and durable. The length of the product is 15cm, the width is 12cm and the height is 5cm. It is suitable for phone, computer, sports, running, travel, etc. Item Name: Bluetooth-compatible Earphone Material: ABS Bluetooth-compatible Version: 5.0 Sensitivity: 90dB Impedance: 32 Battery Capacity: 170mAh (Included) Effective Distance: 10m Music Time: 13H Talk Time: 15H Charging Time: 1-2H Protection Grade: IPX5 Waterproof Features: Bone Conduction, HiFi Sound Quality, Long Endurance Size 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