Double wireless connection for paired chorus without delay is supported by this product. It has one key to eliminate the sound, and the accompaniment and the sound can be switched back and front directly to sing as you want, enjoying the fun of singing. It provides you with highly clear sound quality and stereo surround to ensure a more enjoyable music experience because it has 8W high-power high-quality speakers. Made of high-quality material, the microphone is lightweight and durable. It supports multiple playback methods, Bluetooth-compatible, TF card, U disk, audio. Item Name: Microphone Bluetooth-compatible Version: 5.0 Signal to Noise Ratio: ≥85dB Frequency Response Range: 60Hz-15KHz Battery Capacity: 1200 mAh (Included) Battery Life: 8-12 Hours Features: Wireless, Good Sound Quality, Portable Material: abs colour: Black Package Contents: 1 x Microphone 1 x Charging cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.