Model:B580SF001615HK893 15W Bluetooth Karaoke Microphone Speaker: 1 PcsPortable Karaoke Microphones-The most convenient Party Supplies,whatever home party,travel and camping,perfect to show your voice. All our Karaokes are Official Authentic Products with High Quality.Remarkably KTV Echo Effect-We used the highest quality chipset with two channel stereo headphones,it produces a more stunning KTV live-sound and more clear music rhythm with echo reverberation.Compatible with most smart bluetooth devices,including all Android and IOS smartphones.MultiProtect Safety Battery-Our MultiProtect Safety Battery could keep you and your devices safely.4000mAh battery gives you up to 6-7hour fun,Repeatedly charged it without replacing batteries.New upgrade feature,Built-in DSP chip ,support Recording with IOSVersion:Bluetooth 4.1Wireless working Range:10M(without obstacles)Speaker Specifications:57mm 15WSupport Protocol:A2DP,AVRCP,HFP,HSPFrequency Response:100Hz-20KHzPower Supply:Built-in 3.7V Lithium Battery 4000mAh 7.4wHCharging Time:About 5HPlay time:6HStandby time:98hAdapter:Micro-USB port,DC5VSize:284mm x 66mm x 55mmSupport:Usb/Karaoke/Bluetooth/Play musicStyle:Handheld MicrophoneUse:Karaoke MicrophoneTransducer:Dynamic MicrophoneSet Type:Multi-Microphone KitsCommunication:WirelessPackage:YesPolar Patterns:CardioidColor:gold & redmaterial:metalPackage Contents:1 * 15W Microphone speaker1 * audio cable1 * USB cable1 * protective coverOnly the above package content, other products are not included.Note: Light shooting 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.