Pro Rechargeable Wireless Microphone System 4 Channel, UHF Metal Handheld Wireless Microphones Cordless Mics with Echo Bluetooth VOL Channel Control for Karaoke Singing Church(MU-898)

BATTERY INFO & TRANSMISSION RANGE: Each microphone use built-in rechargeable battery.
Microphone Working Time: 10-12 Hours (When full charged). This ZERFUN Wireless Microphone System can support up to 200 feet range, 50 compatible frequencies on each channel (4 X 50) for interference-free reception. The UHF frequencies range within 500 - 599 MHz, are compliant with the FCC regulations.
INPUT: 1/4 Wired Mic Input; 1/8"( 3.5 mm)Audio Input; Bluetooth Input(Turn on your device's Bluetooth, search "X168" and connect).
OUTPUT: 1/8"( 3.5 mm) Audio Output; 1/4"( 6.35 mm)Audio Output. ZERFUN Wireless Microphones are well-made cardioid wireless mics which means they pick up noise unidirectionally(Only when we speak towards the top of the microphone will there be a sound, while there will be no sound when speaking on the side). With this pickup pattern, the directional vocals are easy to isolate from background noise.
PACKAGE LIST: ZERFUN Rechargeable Wireless Microphone x 4; MU-898 Receiver Box x 1; Power Adapter x 1; 6.35 mm to 6.35 mm Cable x 1; 3.5 mm to 3.5 mm Cable x 1; Audio Cable x 1; Microphone Charging Cable x 2; Microphone Windscreen x 4; Antiskid Ring x 4; User Manual x 1. Genuine ZERFUN Wireless Microphone products come with supportive 24-Hours After-Sales Customer Service, 12-Month Manufacturer Assurance.