A timebox is a revolutionary speaker with the latest technology features such as a built-in FM tuner, smart alarm/sleep aid system and endless customization options with the Divoom time box app. Time box's old-school design suits any home interior and its modern fine-tuned speaker delivers the best sound. Divoom Time Box is the most intelligent musical smart clock for your home. The built-in FM tuner brings you the excitement of local radio stations, while its smart alarm and sleep aid systems ensure the most pleasant sleep experience. The fine-tuned audio and other unique features provide an unparalleled product experience. Comes with over 30 built-in sleep-aiding programs and smart alarms, enchanted with both soft lighting and sound. Worldwide FM Tuner lets you enjoy the entertainment and news broadcast from the local radio station. SPECIAL FEATURES: A 3” 5-watts DSP-Equipped speaker with passive radiator, precision-tuned by the Divoom Sound Engineers. 121 programmable LED with over 256 available colors, demonstrate your pixel art creativity on the most vivid canvas by Divoom. Advanced mobile app, built-in thermometer, social notification system and more SPECS: Weight: 433g Output power: 5W Battery Voltage: 3.7V Charge Time: 3-4hours Driver size : 3'' full range Battery Capacity: 2500mAh Playback Time: up to 6 hours Signal-to-Noise Ratio: ≥75 dB Charging: Via USB cable, 5V -1A Frequency Response: 60-20000Hz Dimensions : 114L x 115.8H x 55W mm Wireless range: Up to 10 meters V4.0 smart