Wireless Headset Microphone / Lavalier Lapel Mic With Bodypack Transmitter Description: Two microphones: headphone microphone / lavalier microphone, switch freely to meet your needs in different situations LED Display: Clearly displays data such as power, signal and FM frequency All-metal material, mini bodypack transmitter and rechargeable receiver, stylish, wearable and durable Long-distance receiver, stable receiving within 100 meters 1/4 Output: Supports MIC Input 3.5mm/65mm Port, and does not support 3.5mm Port Line Specification: Material: Alloy Mini Receiver Size: 93 x 31 x 20mm Modulation mode: Digital frequency modulation Frequency range: 500MHz-980MHz Debug mode: DQPFSK Frequency response: 75Hz-18kHz 3db Preset Frequency: 25 (Auto pairing) max. Variation range: 50kHz (with level limitation) Signal to noise ratio:andgt; 98dB Battery specifications: Built-in 450mAh lithium battery Mini Receiver battery life: Up to 6 hours Bodypack transmitter: up to 10 hours Note: 1. Do not use it with an audio device without a "microphone" 2. A microphone without a speaker. The package includes: 1 piece of headset microphone 1 Piece Lavalier Microphone 1 piece bodypack transmitter 1 piece battery receiver 1 pc user manual