Boxa Portabila Trust Caro Max Powerful Bluetooth Wireless Speaker - black Specifications General Type of speaker Single unit Height of main product (in mm) 180 mm Width of main product (in mm) 80 mm Depth of main product (in mm) 80 mm Weight of main unit 553 g Connectivity Connection type wired, wireless Bluetooth yes Wireless range 10 m Bluetooth version 5.0 Cables included Yes Audio Driver size 45 mm Driver units 2 Input impedance 10000 Ohm Audio input 3.5 mm, SD card, Bluetooth Audio output None Headphone connection no Microphone built-in yes Microphone connection no Power output (peak) 40 W True Wireless Stereo (TWS) yes Power output (RMS) 20 W Frequency response 20 Hz - 20000 Hz Features NFC no Hands-free phone calls yes Tripod mount no Accessories 3.5mm audio cable, USB-C charge cable Power saving yes Lighting Lights no Protection Waterproof yes IP Code (International Protection Rating) IPX7 Power Battery capacity (mAh) 4400 mAh Battery voltage (V) 3.7 V Rechargeable battery yes Number of batteries 1 Max battery life - music 12 hours Power cable detachable yes Battery type (AA, AAA, etc.) 18650 Battery composition (Alkaline, Li-ion, etc.) Lithium-ion cell Battery capacity (Wh) 16.2 Wh Input Power source battery, USB-C Compatibility Compatible Device Types Bluetooth devices Control Controls power on/off, play controls, volume control, Bluetooth, input/source Remote control no https://www.trust.com/en/product/23833-caro-max-powerful-bluetooth- wireless-speaker-black