FYYNC Wireless Microphone System - 1 UHF

Specifications: --System Frequency Bandwidth: 50MHz Modulation: Broadband FM Number of Channels: 48 channels The Peak Frequency Deviation: ¡À 45KHz Frequency Responses: 80Hz-15KHz S/ N Ratio: ¡Ý50dB T.H.D. (Overall): ¡Ü2% Working Distance:? 30m no obstacles Working Temperature: -10¡æ-55¡æ --Receiver Sensitivity: 5dBuV Spurious Suppression: >80dB Audio Output: 1/4" unbalanced output 400mV/3K¦¸ Power Supply: 2 * AAA Batteries(not included) Receiver Size: 7 * 2.7 * 2.3cm / 2.8 * 1.1 * 0.9in Receiver Weight: 29g / 1oz(without batteries)? ? --Transmitter Transmitter Power: max. 30mW Transmission Stability: £¼30ppm Dynamic Range: ¡Ý100dB(A) Frequency Responses: 50Hz-15KHz Sound Pressure: max. 130dB SPL Power Supply: 2 * AA Batteries (Not Included) Transmitter Size: 11 * 6 * 2cm / Transmitter Weight: 63g / (without batteries)??????????? ? Package Size: 29.5 * 13 * 6.5cm / 11.6 * 5.1 * 2.6in Package Weight: 322g/ 11.4oz Package List: 1 * Microphone 1 * Receiver 1 * Transmitter 1 * Users' Manual(English)