Is there a built-in battery? yes Number of speaker cabinets 1 Rated Power 10W Box material PP, Metal Microphone support Support wired connection Waterproof grade Not supported Other properties Support app control Not supported Is there a remote control? Not supported Built-in microphone yes LED Light Multicolor Power supply type Battery Woofer size/full-range unit size 4" characteristic None, colorful LED light Connectivity AUX, USB Peak Power 10W Support memory card reading yes Frequency response range 100Hz-20KHz Is there a built-in display? Not supported Voice Control Not supported Tweeter size None Private Model yes Supported audio codecs MP3 With handheld microphone With 1 microphone brand KTS model kts-1555 use home theater, portable music player, mobile phone, karaoke, computer, stage, outdoor, dance Product Name KTS-1555 Wireless Party Speaker brand Kts original brand: method Bt, Usb, aux-in, Fm radio, Tws, TF card, bass Speaker Dimensions and Units 4 inches x 2 pieces (10w) Battery capacity Rechargeable lithium battery 1800mah Free accessories for each speaker USB charging cable x 1pc, wired microphone x 1pc Speaker Color black Crew Package Each comes in a paper colored gift box. BT version V5.0 + EDR Packaging and Shipping Information Packaging Details Unit Packing: 1pc/a paper color box. Carton Quantity/Master Carton: 12pcs. Carton Dimension: 76.5x50x44.8 (cm) NW/Ctn: 23.80 kgs G.W/Ctn: 25.30 kgs Sales Unit: Single product Single product packaging size: 18.5X15.9X42.6 cm Gross weight of single product: 2.108 kg