Bluetooth 5.1This portable Bluetooth speaker with wireless microphone for adults has built-in Bluetooth 5.1 and can works within 32 feet distance.This portable Bluetooth speaker can give a more stable single to connect all Bluetooth devices and you can use it without worrying about sudden signal cut. Strong Sound PenetrationThis Bluetooth speaker is adopted advanced strong MP3 audio decoding technology so that its sound quality is clear and strong. This wireless speaker is equipped with high reduction electro-acoustic system and has the feature of LED light show. Convenient and LightweightThis kids karaoke machine is so lightweight that its very suitable for children to sing songs. The speaker will prompt a tone, indicating that the connection is successful and the blue light keeps on. If the device is not connected, the blue indicator blinks. Once paired, you can press the Short Press Play to play or pause the music. Ideal GiftThis wireless speaker has many practical functions, which is perfect for KTV singing, gathering singing, family singing, travel, party, speech, class, etc. Put it in an exquisite gift box, and then give it to your friends or family as a gift. This Bluetooth speaker will bring your friends or family a wonderful singing experience at indoor or outdoor parties