Karaoke Microphone?Wireless Bluetooth Karaoke Microphone Speakers with LED & Music Singing Voice Recording for Home KTV Kids?Blue?

?Renfox Wireless karaoke microphone with louder bluetooth speaker for enjoy a great fun time singing Power On/Off ?Long press the Power On/Off button to turn it ON or OFF ?Then first long press Power button, then enter the Bluetooth Pair Mode ?Shot press the Power Button, then enter the Bluetooth Pair Mode ?TF card music playing will automatically switch when inserted TF card ?Voice prompts will sound before bluetooth pairing and TF card music playing  Lamp Funcation 1.Short press Power button, turn on the light. 2.Short press Power button to change the colour. you probably encountered problems. 1.The power light is not lit Please check the USB cable and charge it  2.The microphone has no sound Please turn power on and adjust the Volume to big 3.The microphone has no echo Please adjust the Echo to big. Specifications ?Input: DC5V; 500mA ?Frequency range :20HZ- 20KHZ ?SNR>90dB ?Support agreement: HSP/ HFP/ A2DP/ AVRCP ?Wireless frequewncy :2.40 GHz ~ 2.48 GHz ?Wireless transmit power: Class ll (-6dBm ~ + 4 dBm) ?Product size: 3.15 *3.15 * 9.65in ?Weigh?0.55lb ?LED power: 0.4W ?Distoriation: <0.5% ?Battery capacity : 3.7 V/ 2200mAh ?Bloetooth ver sion : 3.0 ?Material :ABS ?Battery working time : 3-5 hours ?Play time : about 3 hours ?Transmission distance :10 m Package: 1 x Wireless Karaoke Microphone 1 x Micro USB Cable 1 x Audio Cable 1 x Instruction Manual