"These Wireless Mini Microphones offer convenience and flexibility for various audio needs. Designed for seamless performance, these mics are suitable for various environments.Product DetailsIncludes 2 x rechargeable microphones, 1 x receiver, 1 x USB-C charging cable and 1 x user manual2 packDimensions/Size: Transmitter: 6.3cm (H) x 2.7cm (W) x 2.5cm (D)Receiver: 7cm (H) x 4.5cm (W) x 2.7cm (D)Material: Main housing: Acrylonitrile butadiene styrene (ABS)Charging cable: Polyvinyl chloride (PVC) and copperTechnical specifications:Model: CR-WLSMCMicrophone battery: 70mAHTransmission distance: 20m in open areaMicrophone sensitivity: -42dBBattery information: 2 x 3.6V 70mAH Lithium-ion button cell battery (included)Colour: BlackFeaturesPlug-and-play auto pairing360 deg. sound pick-upIntelligent noise reductionCompatible with mobiles, tablets and computers with USB-C portLive stream interview vlogType-C USB charging20m receptionClothing clip-onAdditional InformationInstruction ManualButton battery safety informationWarrantyManufacturer warranty: 12 monthsCaution: Do not dispose of unit in fire or water. Never attempt to disassemble and reassemble. Follow usage instructions carefully.Warning: Button Cell Batteries are Hazardous (new or used). Keep away from Children.Button Cell Batteries can cause severe or fatal injuries in 2 hours or less if they are swallowed or placed inside any part of the body. If you suspect your child has swallowed or inserted a button cell battery, call the 24-hour Poisons Information Centre in Australia on 131126 or in New Zealand on 0800 764 766 or contact your country's emergency department."