Bestisan Portable Karaoke Soundbar For Adults And Children With 2, And Wedding. Portable Karaoke speaker - Equipped with 2 wireless microphones, so you can enjoy singing with family or friends together. 2500mAh high capacity lithium rechargeable battery guarantees your 6 hours uninterrupted party. Swivel handle and strap design, make it easy to carry and suitable for outdoor activities Dual Wireless Microphones - This Bluetooth speaker system comes with two handheld wireless microphones to get rid of tangled wires and sound interruption. The microphones feature working in 100ft range for easy accessibility and allowing for easy operation and stable signal reception HD Stereo Sound Quality - 30W output power with 4 inch woofer bring amazing music and awesome vibe to your party. Independent Treble/Bass adjustment makes music loud, clear and strong, amplifier your voice without distorting the audio, even at higher volumes. Easy to Use - The speaker and the microphones will connect automatically when they turned on. Press button to switch different functions among Mode, Volume. Besides Bluetooth connection, you also can connect it via USB/Optical /Coaxial/3.5mm auxiliary input. Work with all of your external devices like Smart TV/Smart Phone/iPad/Tablet/PC/DVD/CD WARM TIPS: Before starting singing, Please make sure the microphone and soundbar are matched successfully. After pairing, don't put the microphone too close to the soundbar, or it will make a harsh sound. Bestisan offers comprehensive technical support and one year guarantee for this sound bar.