Description: Material:Plastic Input:100-240V /50-60Hz Output:5V/2A Connection Type:Bluetooth Interface Type:Dual-USB Output Power:3W S/N:≥70db Extended Storage:32GB Number of Speaker:2 Effective Distance:10m Play Format:MP3 Bluetooth Protocol:Bluetooth 4.1 APP Support:No Features: 100% brand new and high quality. K11 Bluetooth alarm clock has the function of Bluetooth, TF, U disk, AUX audio cable connected to play music Dual alarm clock function (temporary alarm and long-term alarm can be set). The alarm clock 1 is long-lasting, and the alarm clock 2 is automatically turned off on the same day. The five-minute snooze function Can use the buzzer, TF card music, the sound of the FM radio as reminders of the alarm clock,can be used to adjust the volume of alarm clock freely Sleep automatic shutdown function, once for 15 minutes, up to 90 minutes With dual USB charging function to the device, the front of the fuselage double USB can charge for mobile phones, tablet. currents of 1A and 2A Mirror LED display, adjustable LED lamp display screen backlight brightness, you can also turn off the display Has function of time display, temperature display, function mode display (12/24 hours can be switched) 73mm independent box design: mini and compact body with a full-range speaker, rear bass diaphragm with sound, built-in reversing flow gas Package include: 1*bluetooth radio+1*power cable+1*audio cable+1*button battery+1*manual Note: 1.1 inch=2.54cm 2.Please allow 0.2-1cm error due to manual measurement. please make sure you do not mind before you bid. 3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! LED Display & Dimmer: Our Digital alarm clock offers a large, easy to read Mirror LED screen to display time, alarm, temperature clearly, numbers are big enough to see easily. Mirror LED display, adjustable LED lamp display screen backlight brightness, you can also turn off the display Can use the buzzer, TF card music, the sound of the FM radio as reminders of the alarm clock,can be used to adjust the volume of alarm clock freely Sleep automatic shutdown function, once for 15 minutes, up to 90 minutes