BTS-1829 Bluetooth Speaker.   Frequency Range: 100HZ-20KHZ Support: wireless microphone Power Source: Battery, DC Set Type: Speaker Feature: Play Video Channels: 1 Speaker Type: PORTABLE Function: wireless Battery: Yes PMPO: 300W Special Feature: Wireless,PORTABLE Built-in Microphone: NO Communication: usb Tweeter Size: Electrostatic Tweeter Output Power: 100W Use: Portable Audio Player, Mobile Phone, Karaoke Player, Stage, Cabinet Material: Wood LED Lighting: RGB Material: Plastic Model Number: BTS-1829 Support Memory Card: Yes Type: Active Audio Crossover: Full-Range parts: charging cable. instruction manual Number of Loudspeaker Enclosure: 2 Voice Control: NO Support Apt-x: NO Private Mold: Yes unit size: 36.1*34*84.4cm Woofer Size/Full-Range Size: 10 Categories: 11 11 Sale, Bluetooth Speakers