Specification Model Q9Transmission Method 2 4GHzPolar Pattern Omni directionalFrequency Response 20Hz 16kHzSignal to Noise Ratio 72dBSensitivity 42dBOperating Range 30m unobstructed RF Output Power 6dBmCharging Interface USB CTransmitter Battery Capacity 80mAhCharging Case Battery Capacity 800mAhTransmitter Charging Time Approx 1 5 hoursTransmitter Use Time Approx 5 hoursReceiver Power Supply Method Powered by external deviceWeight Transmitter 8 5gReceiver 6gCharging Case 45gDimensions Transmitter 40 x 16 x 8 8mmReceiver 30 x 30 x 11 5mm thickness not included Charging Case 84 x 50 x 42mmFeatures 1 AI Powered ENC Noise Cancelling Effectively identifies and filters out ambient noise for clear audio capture 2 360° Omni directional Pickup Captures sound from all directions ensuring comprehensive and high quality audio 3 Plug and Play Operation No complex setup required automatically connects once plugged in for immediate use 4 CD Grade Lossless Sound Quality 48KHz 16BIT sampling rate for high fidelity clear and immersive audio 5 Long Range Transmission Reliable 2 4GHz wireless transmission technology stable up to 30 meters 6 Extended Battery Life Charging case provides up to 40 hours of total use time with individual mic lasting 10 hours Package Includes 2 x Lavalier Wireless Microphones1 x Type C Receiver1 x Charging Case1 x Charging Cable1 x iP Adapter