SHARKK&reg; Bluetooth 4.0 BoomBox Speaker, 18 Hour Playtime, 10 Watt Portable Speaker System, 4400 mAh Li-ion Battery, Ultra Bass Subwoofer Sound Effect / Built In Mic For Calls / NFC Function / For All iPhone / iPhone 6 / iPhone 6 Plus / All iPad / iPad Air 2 / All Phones / Samsung Galaxy Phones and Tablets / Laptops Raise the roof with the powerful 10W Boombox Speaker. High-capacity 4400mAh battery supports up to 18 hours playing time! Photoresistant sensors automatically illuminate buttons in dark or dimly lit rooms. Make and receive phone calls with the built in HQ Mic. Supports AUX, Bluetooth 4.0, NFC and "siri" functionality. Frequency Response: 60Hz-18KHz. Speaker Dimensions: 2.3" x 7.4" x 2.7".