Dual Charging Dual Alarm Clock with USB Charging, Portable Removable Power, Black The iH402 is a dual alarm clock with a USB port and pop out removable USB battery pack to charge devices. Large display with soothing blue backlight. Dual alarms to wake at separate times. Daylight Saving Time switch for easy seaonal clock adjustment. High/low alarm volume switch to rouse sound sleepers and light sleepers alike. USB charging cable included. FEATURES - Dual Alarms - Two independent alarms let you wake to buzzer with separate wake times to suit your lifestyle. USB port for charging mobile devices. Enjoy your music while keeping your device fully charged. Removable Rechargeable USB Battery pack. Pop out lithium-ion battery pack with USB port to keep devices charged. Battery backup. Maintains time and alarm settings in the event of power failure. Daylight Saving Time Switch - Adjusts clock to Daylight Saving Time or Standard Time in an instant. Gradual wake. Gradually increasing alarm volume for gentle wake up. 18650 battery included.