Item Type: Mirror Alarm Clock SpeakerMaterial: Plastic, ElectronicsBluetooth Version: 5.0Power Input: 5V1AFrequency Response: 80HZ-20KHZFM Broadcast Frequency: 87.5-108MHZOutput Power: 3WMemory Card Slot: Maximum Support 512GB Memory Card (Not Included)Battery Type: Built In 1200mAh Lithium Battery (Included)Package List1 x Mirror Alarm Clock Speaker1 x Charging Cable1 x Instruction Manual1FUNCTION: Mirror alarm clock speaker combines six functions in one, mirror clock display, dual alarm clock, real time temperature, voice announcement, FM radio, cell phone holder. 2HIGH DEFINITION CALLING: Speaker alarm clock built in noise canceling microphone, professional radio, clearer vocals, no delay in calls, easy to answer calls. Available in AUX mode, memory card plug in mode. 3BASS LARGE DIAPHRAGM 50MM SPEAKER: Bluetooth speaker alarm clock adopts bass large diaphragm 50mm / 1.97in speakers, the combination of the two to create three dimensional shocking bass. 4BUILT IN FM RADIO: Mirror alarm clock speaker built in FM radio, in addition to listening to music at the same time, increased auditory pleasure, you can listen to your favorite radio station at leisure. 5ALARM CLOCK FUNCTION: Bluetooth speaker alarm clock built in humanized alarm clock function, you can set two alarm clocks, every morning to enjoy different fun.