Features: [KTV Atmosphere Light]: This portable starlight BT speaker Features KTV atmosphere lighting and dynamic music light effects. The flowing dazzling light beads create a KTV-like light and shadow atmosphere, with lights pulsating to the rhythm of the music, adding dynamism and color to your space. [Magic Sound Changing Effect]: The speaker comes with a magic sound changing effect, adding fun and excitement to your singing experience. It"s perfect for parties, gatherings, or just a fun night in. [Compact and Miniature Design]: With its compact design, this speaker is easy to carry and doesn"t take up much space. It"s perfect for bringing along to parties or events, or for using at home. [Dual Microphone for Duet Singing]: The speaker Features a dual microphone connection for joyful duet singing. It also comes with large-diameter full-range dual speakers that highly restore sound, providing a HIFI surround high and low sound experience. [Long Battery Life and Wide Compatibility]: The speaker has a built-in lithium battery for long-lasting performance. It"s compatible with various K-singing apps and supports systems like smartphones, tablets, and computers. It also supports TF card playback and AUX wired connection, making it versatile and convenient to use. Specifications: Frequency Range: 20HZ-20KHZ Output Power: 5W BT Version: 5.3 Charging Voltage: DC 5V Power Supply Method: Built-in lithium battery charging Speaker Battery Capacity: 1200mah Microphone Battery Capacity: 400mah Color: Black, White (optional) Speaker Size: 10.5 * 10.5cm/4.1 * 4.1inch Microphone Size: 13.5 * 3.8cm/5.3 * 1.5inch Note: Due to the different display screen and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Packing List: 1 x Speaker 2 x Microphones 1 x Charging Line 1 x instruction Manual