Specification AudioSensitivity : 72 decibels BatteriesIncluded : 1 BatteriesRequired : 1 Brand : CountryArtHouse BulletPoint1 : 18x24 Photo Mat With Bevel Cut Oval Opening for 13x19 Photos BulletPoint10 : 60mAh transmitter batteries, 90mAh receiver battery, 5-hour runtime, USB charging cable BulletPoint2 : Purple Acid-Free Photo Mat BulletPoint3 : Includes 25 Matboards BulletPoint4 : Reliable Communication: The wireless transmitter units can communicate with the receiver from up to 60 feet away, giving you the freedom to move around during your interviews or vlogging sessions without worrying about audio dropouts. BulletPoint5 : Enhanced Audio Quality: The microphone system boasts a signal-to-noise ratio of 64 dBm with adaptive noise reduction, ensuring that your audio signal remains clean and free from unwanted background noise or interference. The result is crystal-clear and professional-sounding recordings. BulletPoint6 : 2.4 GHz wireless bandwidth, 60' line-of-sight transmission distance BulletPoint7 : Compact transmitter with built-in microphone, foam windscreen, Adaptive noise reduction BulletPoint8 : Dual-channel, plug-in receiver with 3.5mm TRS connector, Lightning and USB-C cables, 3.5mm TRS to TRRS adapter BulletPoint9 : LED indicators Color : Purple CompatibleDevices : Camera CompatibleDevices1 : Amplifier CompatibleDevices2 : Camera CompatibleDevices3 : Smartphone ConnectivityTechnology : USB ConnectorType : USB ExternallyAssignedProductIdentifier : 7394602870769 ExternallyAssignedProductIdentifier1 : 810047160793 ExternallyAssignedProductIdentifier2 : 0810047160793 FrequencyResponse : 16 KHz HardwarePlatform : Camera HardwarePlatform1 : Camcorder HardwarePlatform2 : Television HardwarePlatform3 : Camera Hazmat : 9 IncludedComponents : Battery ItemName : CountryArtHouse Purple Acid Free 18x24 Oval Picture Frame Mat with White Core Bevel Cut for 13x19 Pictures - Fits 18x24 Frame - Pack of 25 Matboards ItemPackageDimensions_Height : 4 inches ItemPackageDimensions_Length : 2 inches ItemPackageDimensions_Width : 3 inches ItemPackageQuantity : 25 ItemTypeKeyword : photo-mat-boards Manufacturer : CountryArtHouse Material : Photo Mat Board MicrophoneFormFactor : Microphone System ModelNumber : BLINK100B3 NoiseLevel : 65 decibels NumberOfBoxes : 1 NumberOfChannels : 2 NumberOfItems : 1 NumberOfLithiumIonCells : 1 NumberOfLithiumMetalCells : 1 PackageLevel : unit PartNumber : Mat_B120_18x24-12.5x18.5_Oval_(25)-BULK PolarPattern : Omnidirectional PowerSourceType : Battery Powered ProductDescription : Our acid-free Purple matboards are 4-ply and feature a white core. With an overall size of 18x24, these mats with Oval openings fit perfectly into 18x24 frames and are bevel cut to showcase your 13x19 photos. Actual mat opening size is 12.5x18.5 inches so that it may safely and securely house your 13x19 photo, artwork, needlepoint, sign, etc. This pack includes 25 Matboards. Proudly made in the USA by Country Art House! ProductSiteLaunchDate : 2022-11-14T17:49:39.558Z RecommendedUsesForProduct : Meeting, Conference, Interview SignalToNoiseRatio : 78 decibels Size : 25 Matboards StreetDate : 2022-08-31T00:00:01Z Style : Compact SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 1 WarrantyDescription : 2-Year Warranty