Feature: You can set two alarm clocks at the same time, customize your daily and weekly time arrangement, and reasonably allocate learning and entertainment time Built in 3600 Ma battery, fully charged, sustainable use for 80 hours, ultra long endurance 42 LED light beads are arranged to weaken the blue light and better protect your eyes. The main function: Clock / alarm clock: high definition mirror display. You can see the time when you look up Bluetooth Audio: Bluetooth can be connected to the mobile phone to play music or courseware in the mobile phone Desk lamp: the light is soft and uniform to alleviate learning fatigue, brightness can be adjusted freely Mobile phone holder: free your hands to place mobile phones and tablet Product information: Function: insert card, radio, voice prompt, call function Applicable scenarios: car, desktop, fitness sports, outdoor, home, mobile portable, live broadcast, square dance, broadcast system Speaker unit: 1 Color temperature: Cold light, warm light, superposition of cold and warm light Type: Bluetooth speaker Connection method: Bluetooth connection Interface type: USB Frequency response range: 20Hz-20KHz Output power: 3W Signal to noise ratio: 75dB Power supply mode: built-in lithium battery Channel: 1 Play time: 8 hours Expansion storage: 32GB Bluetooth protocol: 5.1 Effective distance: 10 meters Operation mode: button Applicable people: general Display: Yes Play format: MP3, WAV Shell material: plastic Whether to support APP: No Support format: TF card Speaker adjustment method: button Is there a radio function: YesPackage Size: 28 x 8 x 6 cm Size information: Product size: 5.5x7x27cm