Features: FM Radio Function: Embedded with FM radio function to allow you to listen to your favorite radio station. Let this large screen digital alarm clock with abundant functions to enrich your life and bring you much fun and pleasure. USB Rechargeable: Built-in 2200 mAh lithium battery, after repeated testing, low energy consumption, safe and stable performance, just charge 3 hours, you can play music for 8 hours, standby time reach to 72 hours and lasting power for continuous music. Thermometer Function: Digital led alarm clock with sensitive indoor thermometer, intelligent identify of the environment temperature in your bedroom or living room.Specification:Item Name: Large Screen Alarm Clock Bluetooth Speaker Bluetooth:V4.2 Output Power: 3w*2 Battery Capacity: 2200mah Charge Time: about 3hours Standby Time: about 72hours Material: Engineering plasticProduct Size: about 14*8*5cm/5.52*3.15*1.97inchColor: Black | Gold | Rose Gold | Rifle Grey Note:Please allow slight 1-3cm(0.4-1.18") difference due to manual measurement and a little color variation for different display settingThank you and nice day!Package Includes: 1 x Alarm clock speaker 1 x USB cable 1 x Manual