Specification BatteriesRequired : 1 Brand : Reiyin BulletPoint1 : 【Bluetooth Audio Transmitter】Adds Bluetooth to the audio output device like PC/Game devices, pairs with Bluetooth headphones/speakers/audio system, supports two connection simultaneously. (Note: 1. Only transmit audio, no file data. 2. This product can NOT pair with any mobile phone, tablet or Bluetooth keyboard/mouse; 3. Make sure the Bluetooth headphone you need to pair is not paired with other Bluetooth transmitters like mobile phone, iPad.) BulletPoint2 : 【Low Delay】Adopts CSR8670 chip and supports aptX Low Latency, it can eliminate Bluetooth audio delay and ensure great audio quality, allows you to listen to high quality sound that is in sync with the original audio source. BulletPoint3 : 【Support Talk】Supports wireless talk through Bluetooth headphones, you can easily communicate with other people. Note: it doesn't support talk if used in Nintendo Switch/PS3/PS4/PS4 Pro; If the headphone MIC can not work on Windows 10, please restart the MIC “REIYIN Bluetooth Audio WT04” on Windows 10. BulletPoint4 : 【Codec Recognition】Display the audio codec that is in use, the corresponding green “SBC/APTX/LL” indicator will be long bright at this time. To use a certain audio codec, both the transmitter and the headset need to support this audio codec. BulletPoint5 : 【Corresponding System】Compatible with the system that can output USB digital audio like Windows 10/8/7/Mac OS/iOS/Android/PS3/PS4/PS4 Pro/Nintendo Switch/USB-A/USB-C (OTG)/Micro-USB (OTG) BulletPoint6 : Up to 7 Devices Sync Connected - BT541 Bluetooth 5.4 dongle for PC Laptop supports up to 7 different types of devices to be connected and can work together at the same time without interfering with each other, Which means that you can listen to high-quality music while using the keyboard mouse or other devices. But If Bluetooth audio devices of the same type (such as speakers/headphones) are connected, only one of them can play music. BulletPoint7 : Warm Tips – 1. Ensure there is no Bluetooth built-in the computer. If there is, please be sure to disable all existing Bluetooth devices in "Device Manager" at first, then insert the adapter and try again. 2. If you have any question about the driver installation or product usage, you can contact our reliable customer service via Amazon Message, and we will reply to you quickly within 24 hours. Color : Green CompatibleDevices1 : Tablet CompatibleDevices2 : Desktop CompatibleDevices3 : Keyboard CompatibleDevices4 : Smartphone CompatibleDevices5 : Any Game kit Bluetooth Controller ConnectivityTechnology : Ethernet ConnectivityTechnology1 : bluetooth ConnectivityTechnology2 : usb ConnectorType1 : Micro USB ConnectorType2 : USB Type C ControlMethod : remote DataLinkProtocol1 : Bluetooth DataLinkProtocol2 : USB DataTransferRate : 3 megabits_per_second ExternallyAssignedProductIdentifier1 : 712885941186 ExternallyAssignedProductIdentifier2 : 712885942176 ExternallyAssignedProductIdentifier3 : 0712885941186 ExternallyAssignedProductIdentifier4 : 0712885942176 FinishType : Abs GpsrSafetyAttestation : 1 HardwareInterface1 : bluetooth HardwareInterface2 : bluetooth_5 HardwareInterface3 : bluetooth_4_0 HardwareInterface4 : usb HardwareInterface5 : usb2.0 HardwareInterface6 : usb3.0 IncludedComponents1 : 1 x BT541 Bluetooth 5.4 USB Adapter IncludedComponents2 : 1 x User Manual ItemName : Reiyin WT-04 aptX Low Latency USB Audio Bluetooth 5.0 Transmitter Wireless Adapter Used for PC Game Consoles ItemPackageDimensions_Height : 10.922 centimeters ItemPackageDimensions_Length : 0.508 centimeters ItemPackageDimensions_Width : 7.874 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : bluetooth-network-adapters Manufacturer : Reiyin Technology Co.,Limited MaximumUpstreamDataTransferRate : 300 megabits_per_second ModelNumber : WT-04 ModemType : cellular NumberOfItems : 1 NumberOfPorts : 1 PartNumber : WT-04 PowerPlugType : no_plug ProductDescription : It's no need to install driver and license, plug and play, idea for enjoying movies and playing games. When it is difficult to connect to Bluetooth headset, please refer the following steps to try to pair with Bluetooth headset. 1. Turn off Bluetooth of other Bluetooth transmitting devices like smartphone/iPad. 2. Please make sure your Bluetooth headset/speaker has no connection with other devices, and is in pairing mode. 3. After plug this product into USB jack, please long press button for 10 seconds, and the rapid flashing TX LED indicator will pause temporarily, then immediately continue to flash rapidly. Initialization reset is complete at this time, and it will automatically search and pair with Bluetooth headpset. 4. Some Bluetooth headsets are in pairing mode after power on, but at this time it only can connect to the Bluetooth devices that have been paired before. If you want to pair with an Bluetooth device that didn't pair before, please let the headset indicator flash quickly or refer to the headset manual. ProductSiteLaunchDate : 2018-09-01T07:00:00.000Z ShipsGlobally : 1 Size : Mini Size SpecificUsesForProduct : business SpecificUsesForProduct1 : PC SpecificUsesForProduct2 : Tablet SpecificUsesForProduct3 : Smartphone SpecificUsesForProduct4 : Speaker SpecificUsesForProduct5 : Headphones Style : Latest BT5.4-Tiny BT541 SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 TotalEthernetPorts : 1 UnitCount : 1 UnspscCode : 43211614 WarrantyDescription : 90 days limited warranty WarrantyDescription1 : Hakimonoe products are tested and certified by the strictest labs in the world. We have BQB, FCC, IC, CE, RoHS, and many other certifications for most products. WarrantyDescription2 : 30-Day Money-Back Guarantee for ANY Reason: For 30 days after the date of purchase, return your undamaged Hakimonoe product and receive a Full-Refund for ANY reason. WarrantyDescription3 : 12-Month Warranty for Quality-Related Issues: For 12 months after the date of purchase, we take care of all quality-related issues with a REPLACEMENT. Reminder: Be sure to use your product as directed.