DetailsClear Top Bluetooth Earphone and Portable Charging Box. Run; jog; relax and repeat with these earphones that suit your urban life.These earphones with a charging box as well as built-in error correction; give you a crisp and clear sound every time. The earphones are compatible with Apple or Android phones with Bluetooth capability they also work with your tablet; laptop or computer as long as Bluetooth is enabled. Get quick connectivity with Bluetooth 4.0 and a charging box that is simple and fits in your pocket. They come in 9 solid colors with a charging box and a cable to the USB port for charging is included.Make sure you have the Metro Twins with you so you can catch all your favorite tunes!DETAILS - A full charge will allow you to use the headphone all day with normal use or 4 hours of continuous use. Standby power is for 7 days. Compatible with all Google; Siri; and Alexa voice command features. Superb noise cancellation feature. All Apple devices will work with this earp