Rode RodeLink Perfomer Kit, Digital Wireless Audio System with Handheld Transmitter, Consists of: TX-M2 (high-quality condenser microphone), RX-DESK (desktop receiver), and LB-1 (lithium-ion battery), 2.4 GHz band, 128-Bit signal encryption, One Button Pairing, System dynamic range: 112 dB, Frequency response: 35 Hz - 20 kHz, Conversion: 24-bit / 44.1 kHz, Latency: <4 ms, Range: up to 100 m (with an unobstructed line of sight), Powered via LB-1 (lithium-ion battery) or 2x AA batteries, Firmware update via micro USB connection possible, Output: balanced XLR / jack output, Dimensions of the receiver (W x H x D): 208 x 37 x 166 mm, Weight of the receiver: 792 g, 1/2"" Condenser capsule, Directional characteristic: Supercardioid, Powered via USB or 2x AA batteries, Dimensions of the microphone (L x W x D): 256 x 40 x 40 mm, Weight of the microphone: 222 g, Made in Australia