Feature: 1. Clear Delightful Sound: 57mm full frequency large diameter speaker restores sound, enjoys HIFI surround high and low sound to put you in the zone. 2. Practical: 1 click power on, you can turn on the microphone to sing, and don't turn on the microphone to play songs alone. Connect to the bluetooth of the mobile phone, support the mobile phone karaoke, you can sing anytime, anywhere you want. 3. Powerful: 1 click to eliminate original sound, backing track is no longer a problem, enjoy the comfort of good sound quality. 4. Portable Speaker: Small and mini, easy to carry, put in the car, suitcase, bag, whether at home rest or travel, take it to sing anytime anywhere. 5. Wide Compatibility: Support mobile phone,TV, tablet, computer and compatible with all kinds of mainstream singing apps. A variety of playback modes, bluetooth mode, memory card mode, OTG mode more options to bring more gameplay. Specification: Item Type: Small Bluetooth Speaker Product Material: ABS, Aluminum Alloy Weight: Approx. 560g / 19.8oz Battery Type: Lithium Battery (Microphone And Speaker Are Shipped With Built In Battery) Microphone Battery Capacity: 1200mah Speaker Battery Capacity: 2000mah Microphone Parameters: Frequency Range: 20 Hz - 20 K Η Z Sound Parameters: Bluetooth Version: 5.0. Package List: 1 x Bluetooth Speaker1 x Microphone 1 x Data Cable 1 x Instruction Manual