1、Not only alarm clock/FM radio, but also excellent speakers with perfect stereo and enhanced bass. 2、Three brightness levels including daytime/dusk/night, adjust by dimmer button. 3、With various powerful functions, wireless bluetooth speaker, dual alarm clock, digital FM radio, clock, night light with dimmer, memory card playback. 4、Portable size, ultra‑light and easy to put into your bag or backpack, effectively save your space. 5、Adopt high quality ABS material, firm and durable, provide longer service life. 1 x Speaker1 x USB Cable Item Type: Bluetooth Clock SpeakerMaterial: ABSColor: WhiteConnection: Wireless Bluetooth 5.0Effective Range: Approx.10m/ 32.8ftSupport  alarm clock functionSupport FM radio functionSupport memory card insert playbackBattery Type: 1200mAh lithium batteryWorking Hours: 4-5 hoursCharging Time: about 2 hoursInstructions: 1. Long press the power button to start the machine, and Bluetooth mode will be entered 2. Turn on Bluetooth, search and select "HD600" connection to match to control the music playing