[Product Information]

【3300mAh Built-in Rechargeable Battery】After a full charge,30 hours of continuous usage （at normal volume）or 30 days standby. Whatever at home or outdoors, do not worry about the battery is not enough, You can sing anytime, anywhere! 【multiprotect safety battery】could keep you and your devices safely with surge protection, short circuit prevention and more advanced safety features
【5w*2 Speaker& Amplifier】 louder and stronger sound than other similar sellers(other sellers are 3w*1 or 3w *2)
【the sound quality improved by 30% with the Update Bass Diaphragm Cavity】 Built-in 60*40 mm Low-frequency Radiator (Bass Diaphragm) make the sound quality improved by 30% and give you the stronger shock and heavier sense
【Enhanced Clarity】 Each Bluetooth wireless microphone features three times the noise reduction for crystal clear voice clarity while speaking, singing or presenting. 【Reduced Pop】– Ideal for karaoke singing, instrument recording, podcasting or live interviews, the built-in pop filter helps reduce “p” and “s” pop sounds; More stunning Karaoke live-sound and more clear music rhythm with echo reverberation
【Two way Connection】Works with all Bluetooth-enabled devices as well as devices with a 3.5mm audio socket (standard headphone jack) - All iPhones, iPod, and iPads; - All MP3 players, CD players, desktops, laptops, tablets, and other music devices with an audio socket - Android smartphone: HTC, Samsung, Sony, Nokia, LG, Huawei, Blackberry, etc --- Once turn on the singing software on your phone or on your computer,it will produce excellent sound quality with reverberation.