<b>Kithouse S9 UHF Rechargeable Wireless Microphone with Bluetooth Receiver Box System + Volume Control ECHO - No need to set, just plug and use!</b><br><br> <b>Technical Parameters：</b><br> UHF Microphone & Receiver Range: Max up to 200ft<br> Receiver Volume Control: Mic-A Volume Control, Mic-B Volume Control, Music Volume Control<br> ECHO Effect: Yes<br> Receiver Bluetooth: 4.1(Turn on Bluetooth and search "X168" to connect)<br> Bluetooth Range: About 32 Feet<br> Microphone Battery: Built-in Lithium Battery(Included)<br> Microphone Charging: DC 5V Charging<br> Microphone Charging Time: About 3-4 Hours<br> Working Time: About 6 Hours<br> Working channels: 50(CH01-CH50)<br> Simultaneously Using: Yes(Each Set Using In Different Channel)<br> Other Feature: Cool Design LED Light Ring<br><br> <b>Package List:</b><br> 1 x Receiver Box<br> 2 x Rechargeable Wireless Microphone<br> 2 x Antenna<br> 1 x Power Adapter<br> 1 x 6.35mm to 6.35mm Cable<br> 1 x 3.5mm to 3.5mm Cable<br> 2 x Microphone Windscreen<br> 1 x USB Charging Cable<br> 2 x Antiskid Ring<br> 1 x Audio Cable<br> 1 x User Manual<br><br>