What makes this earphone have super long endurance is the use of large-capacity battery. The earphone has an ergonomic design, which is comfortable for you to wear. The earphone is featured with noise reduction, stereo surround and heavy bass, which provides you with clear calls and shocking music. It is made of high-quality ABS and electronic components, which is wear-resistant and durable. The length of the charging box is 48mm, the width is 45mm and the height is 24mm. The earphone is suitable for gaming, running, driving, sports and travel, etc. Item Name: Earphones Material: ABS, Electronic Components Bluetooth-compatible: 5.1 Transmission Distance: 10 Meters Music Time: 4-5 Hours Standby Time: 480 Hours Charging Time: 1 Hour Charging Box Battery Capacity: 200mAh (Included) Waterproof: IPX5 Adaptation System: Suitable for iPhone and for Android Mobile Phones, and Digital Devices with Bluetooth-compatible Features: Noise Cancelling, HiFi Sound Quality, Touch Control Size Details: Charging Box Size: 4.8cm x 4.5cm x 2.4cm/1.89" x 1.77" x 0.94" (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