Professional karaoke speaker & microphone set features of all functions 5 kinds sound effects one click to cancel sound flexible adjustment of accompaniment reverberation and microphone volume. Features: A fun karaoke microphone & sound speaker set for home party singing including 2 mics for you and your family/friends to have more fun together. An interesting sound box with colorful lights lights are nice and bright but not dazzling they are changing with and it has 5 lighting modes to switch from. With professional quality DSP noise reduction chip to offer sound speaker high and clear sound. Microphone and sound box volume adjustable easy push buttons control more professional multi-function adjustment. BT5.3 technology powerful new energy stable connection and barrier-free connection up to 10 meters distance bringing high-quality enjoyment. Support with TF card play just insert storage card(not included) and it will automatically play in card. Intelligent anti squealing sing loudly without howling within 10cm. Low latency delay is less than 40ms. Built-in 1200mAh rechargeable battery it can be used continuously for hours after being fully charged and specific use time depends on volume and function you choose when using it. microphones are comfortable to hold speaker with PU leather handle for conveniently carrying. Widely compatible with devices such as Android/ iOS system smartphones televisions tablets computers. Specifications: Color: / White (Optional) Material: ABS Item Weight: 577g / 20.36oz Package Weight: 663g / 23.41oz Package Size: 15 * 14.5 * 10cm / 5.91 * 5.71 * 3.94in Speaker: BT Version: 5.3 Horn Diameter: 66mm Horn : 6W Working Voltage: 3.7V Frequency : 90Hz-18kHz Reverberation: Echo sound effect reverberation Adapter(NOT included): DC5V≤1A(common with mobile phone ) Charging Duration: 3.5-4 hours Size: 114 * 97 * 97mm / 4.49 * 3.82 * 3.82in Microphone: Pickup: Back pole condenser microphone Working Voltage: 3.7V Frequency : 90Hz-18kHz Adapter(NOT included): DC5V≤1A(common with mobile phone ) Charging Duration: About 2.5 hours Size: 138 * 41 * 41mm / 5.43 * 1.61 * 1.61in Package List: 1 * Speaker 2 * Microphone 1 * Type-C Cable 1 * Manual (English)