3 Adjustable Brightness Levels: This desk alarm clock Bluetooth speaker features 3 levels of brightness adjustment, enhancing your user experience and allowing you to better enjoy your leisure time.FM Radio & External Antenna: Equipped with an FM radio module and an external antenna, it ensures stable reception of band frequencies, covering most radio frequencies in the country.HD Microphone: The built-in HD microphone, coupled with intelligent noise reduction technology, provides clear, delay-free calls, just like a face-to-face conversation, keeping every communication at your fingertips.Dual Speakers: Experience powerful, distortion-free sound with dual audio units, high-power dual speakers, and a subwoofer diaphragm, letting your ears revel in the wonderful fun music brings.10m / 33ft Long Range: Enjoy a transmission distance of approximately 10m / 33ft, which may vary due to environmental factors and different mobile Bluetooth devices.Item Type: Alarm Clock Bluetooth SpeakerMaterial: Metal+GlassBluetooth Version: 5.0Reception Distance: Approx. 10m / 33ftOutput Power: 3W x 2Battery Type: 2200mAh Li-ion battery (included)Speaker Power Supply: 3.7VPackage Includes:1 x Alarm Clock Bluetooth Speaker1 x Manual1 x Charging Cable1 x Receiver Stick1 x CableIf you encounter any product issues after receiving the item, such as damage or incorrect quantity, please contact us immediately. We will do our best to provide you with satisfactory customer service.