This wireless earphone features a bone conduction open-ear design that provides the safest way to listen to music or podcasts without blocking ambient noise, making it safe on the go with ambient awareness. Wireless earphone can provide you with shocking music, clear calling and easy operation because it is featured with stereo surround, heavy bass and noise reduction. It is constructed of ABS material. The length of the wireless earphone is 5.8cm, the width is 3cm and the height is 2.2cm. This wireless earphone is suitable for running, driving, listening to music, doing sports, calling and so on. Item Name: Wireless Earphone Material: ABS Features: Stereo, Ergonomic, Long Battery Life Battery Capacity: 90mAh Charging Time: 1H Standby Time: 180H Talk Time: 12H Music Duration: 10H Working Voltage: 3.7-4.2V Channel: Stereo Use Method: Hanging Ear Whether Single And Double Ears: Unilateral Hands-free Bluetooth-compatible Protocol: 5.2 Size Details: Size: 5.8cm x 3cm x 2.2cm/2.28" x 1.18" x 0.87" (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 Wireless Earphone 1 x Data 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-Minnanxin