Specifications General Type of speaker Single unit Height of main product (in mm) 53 mm Width of main product (in mm) 53 mm Depth of main product (in mm) 53 mm Total weight 140 g Connectivity Connection type wireless Bluetooth yes Wireless range 10 m Bluetooth version 2.1 Audio Driver size 40 mm Audio input Bluetooth, Line-in, SD card, USB Headphone connection no Microphone built-in yes Microphone connection no Power output (peak) 6 W Power output (RMS) 3 W Frequency response 150 Hz - 20000 Hz Features NFC no Hands-free phone calls yes Tripod mount no Power saving no Lighting Lights no Protection Waterproof no Power Rechargeable battery yes Max battery life - music 4 hours Power cable detachable no Battery composition (Alkaline, Li-ion, etc.) Lithium-ion cell Input Power source USB, battery Compatibility Compatible Device Types tablet, smartphone Compatible Consoles no General compatibility Any Bluetooth device with A2DP profile Control Controls call pick-up, play, pause, next, prev, volume Remote control no