The earphone uses large-capacity battery and fingerprint touch, which has super long standby time and easy operation. You can check the remaining power anytime and anywhere without opening the charging box due to its intelligent LED digital display design. It is constructed of ABS material. The length of the product is 8cm, the width is 3.5cm and the height is 2.5cm. It is suitable for running, fitness, driving, etc. Item Name: Earphones Material: ABS Bluetooth-compatible Version: 5.2 Transmission Distance: 10 Meters Total Battery Life of the Headset: 32 Hours Headset Total Standby Time: 42 Hours Charging Time: 1 Hour Charging Compartment Battery: 350mAh (Included) Frequency Response Range: 20Hz-20000Hz Waterproof: IPX5 Adaptation System: Suitable for iPhone and for Android Mobile Phones, and Digital Devices with Bluetooth-compatible Features: LED Display, Super Long Standby, Fingerprint Touch Size Details: 8cm x 3.5cm x 2.5cm/3.15" x 1.38" x 0.98" (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 Pair of Earphones 1 x Charging Box 1 x Charging Cable 1 x User Manual Note: 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. Sold by-YJL official store