＜Features＞ ・LCD display for channel, input level, and battery level ・Electret condenser type tie-clip microphone included ・Adjustable microphone input level ＜35BT Belt Pack Transmitter＞ ■Transmission Frequency: 806.125MHz ～ 809.750MHz (Type B, 30 channels) ■Radio Wave Type: F3E ■Oscillation Method: Crystal controlled PLL synthesizer ■Antenna Power: 10mW ■Tone Frequency: 32.768kHz ■Input Level: Microphone level (ECM -60dBm) ■Impedance: Microphone level (2.2KΩ) ■Input Terminal: φ3.5mm stereo mini-jack ■LCD Display Function: Channel / Input Level / Battery Level ■Power Supply: DC3V (AA batteries x 2) ■Current Consumption: 120mA or less ■External Dimensions: 63(W) x 98(H) x 23.5(D) ■Weight: Approximately 160g - Country of Manufacture: Japan Thank you for viewing.