Check the listing for details. Oct17 Marble Pattern Alarm Clock,Multi-Function LED, USB Power Supply, Timer. Condition: New. Listed at 16.99 USD. MODERN DESIGN: Designed for simplicity and elegance, no buttons or plastic parts on the front and sides of the clock, matches with modern designed office, bedrooms, or home furniture and desktop. MULTI-FUNCTION: Sound control function with acoustic sensor, displays time, date, month, temperature, and alarm clock functions with LED lights that glows through the marble pattern finish. IMPORTANT NOTE: Please note that this product has a voice control function, allowing the clock to go into standby mode after idled for 10 seconds. To activate or deactivate this feature, simply press the "Down" button to toggle On or Off, which are indicated as "ON:Sd" and "-:Sd" QUALITY MATERIAL & EASY TO POWER: Made of high quality durable MDF material with marble pattern finish. Powered by USB cable (included), or by 3 AAA batteries (not included). Approx. L2.5in x H2.5in x D2.3in. (W6.3cm x H6.3cm x D6cm)