Wireless Microphones Bluetooth Connection By JBL SALE Condition: Certified - Refurbished The item is in pristine, like-new condition. It has been professionally inspected, cleaned, and refurbished by the manufacturer or a manufacturer-approved vendor to meet manufacturer specifications. The item will be in new packaging with original or new accessories. JBL wireless mics deliver Original JBL Pro Sound with crystal clear vocal clarity and detail. Sound your best and hit the high notes with no distortion or delay. Just plug the wireless dual-channel receiver into your speaker, turn on the mics, and you’re ready to shine. Easy replaceable AA batteries, so you can belt every note until the sun comes up. Time for a duet? You’ll hear both mics blended perfectly through your speaker. Get ready for the spotlight. JBL Wireless Microphone Set Wireless two microphone system Black Technical Specs Distance between transmitter and receiver : 10m Polar pattern: Cardioid Frequency response: 65 Hz-15kHz Signal-to-Noise(S/N) ratio:60 dBA UHF frequency band:470-960MHz(depends on SKU)(EU 657-662MHz) THD:0.5%, typical Dynamic range:100 dB A-weighted, typical Transmitter transmitting power: 10 mW, typical Receiver input:1/4"(6.3 mm) unbalanced Receiver maximum Output Level:-13dBV,typical Receiver rechargeable Battery:Lithium-ion Polymer 3.7WH(Equivalent to 3.7V, 1000mAh) Receiver charge time :2 hours @5V/1A Receiver battery Playtime:Up to 6 hours Microphone battery: 4 x AA alkaline (included) ORDER YOURS TODAY WE ARE READY TO SHIP!