Features: Portable handheld design bluetooth-compatible loudspeaker, one button power on to connection microphone, can play songs when the microphone is not turned on, supports memory card playback. Bluetooth-compatible 5.0 chip, stable transmission, low power consumption, strong interferences resistant ability, and almost no delay. Double horns, intelligent noise candelling, precise sound pickup, enjoy HiFi sound quality. Wide compatibility, compatibility with most mainstream karaoke software on the market, and mobile phones, tablets, etc. Can be used for square dancing, teaching, street performances, singing, shopping guide, conference training, yoga, camping, etc. Specifications: Material: ABS+Electronics Color: refer to picture to selection please Loudspeaker: about 220x70x96mm/8.66x2.75x3.77inch Mic: about 170x28mm/6.69x1.1inches Microphone connection method: wireless connection Wireless microphone distance: 10M (accessible) Charging input: 5V2A Loudspeaker power: 5Wx2 Battery specification: 3.7V 3000mAh Frequency: 20HZ-20KHZ Battery service life: 4~6Hrs Charging time: 4Hrs Working temperature: -10~45 Bluetooth-compatible distance: 10M (accessible) Package Includes: 1pc Handheld Microphone 1pc Loudspeaker note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.