Note 1. Under for Win7/XP system, the driver needs to be installed for audio transmiion2. Free drive for systems above for Win83 .After for Win7/XP installs the driver, the computer can connect to the Bluetooth-Compatible headset/speaker, and the mobile phone/tablet can transmit text and photos4. Only supports for Windows system, other systems do not support Feature 1. Bluetooth-Compatible 5.0: transmiion distance 0-20m, faster and more stable than Bluetooth-Compatible 4.0 version transmiion2. Free drive(for windows 8 above): plug and play, no driver installed, mobile phone / tablet can transfer text, photos, install the full version of the driver, the computer can be connected to the Bluetooth-Compatible headset / speaker3. Connect the Bluetooth-Compatible mouse / keyboard: get rid of the distance limit, responsive and unlimited4. Mobile phone / tablet connected to the computer: no need to open the software, no network can also transfer photos and files5. Support multi-device connection: to achieve computer connection with other Bluetooth-Compatible-enabled devices (mobile / tablet / mouse keyboard / Bluetooth-Compatible headset / Bluetooth-Compatible speaker / game controller / printer, etc.) Description The Bluetooth-Compatible 5.0 adapter is a newly launched Bluetooth-Compatible adapter product, with a USB2.0 interface, to deal with the data and audio data interaction between the current PC and a variety of Bluetooth-Compatible devices. It fully complies with Bluetooth-Compatible 5.0 technical specifications, supports 20m ultra-long-distance transmiion, stable and strong signal, dual-mode, extremely low power consumption, and all technical performance is better than other current versions of Bluetooth-Compatible technology. Specification Using Bluetooth-Compatible 5.0 chip, truly complying with Bluetooth-Compatible 5.0 technical specifications, dual-mode transmiion.Further transmiion distance: 20m ultra-long transmiion distance (no barrier), strong signal.More stable transmiion rate: 3Mbps transmiion rate, providing high-speed file and audio data transmiion.Powerful, support a variety of application extensions (For Microsoft Office software).Ultra-low latency and fast link, intelligent sleep wake-up and energy saving, 24-bit CRC check to resist interference, adaptive frequency hopping to reduce crotalk.Fully downward compatible with Bluetooth-Compatible 2.0, Bluetooth-Compatible 2.1, Bluetooth-Compatible 3.0 specifications.USB2.0 interface is more universal, ultra-mini body shape is portable. Note There might be a bit color distortions due to different computer resolutions.There might be a slight errors due to different hand measurement. Parameter Type: Bluetooth-Compatible 5.0 2 in 1 AdapterBluetooth-Compatible Standard: Bluetooth-Compatible V5.0Size: about 27*16.2*7mm/1.06*0.63*0.28inColor: BlackInterface type: USBTransmiion distance: about 0-20mInterface: USB 2.0Compatible System: for Windows XP/Win7/Win8/Win8.1/Win10 Package included 1* Bluetooth-Compatible adapter After-sale About Shipment:1.We will send the items within 4-5 days once your payment is completed.2.We do not guarantee delivery time on all international shipments due to differences in customs clearing times in individual countries, which may affect how quickly your product is inspected.About Customs Notice :1.Please note that buyers are responsible for all additional customs fees, brokerage, fees, duties, and taxes for importation into your country. These additional fees may be collected at time of delivery. We will not refund shipping charges for refused shipments.2.The shipping cost does not include any import taxes, and buyers are responsible for customs duties.3.About customs clearance: For countries that are difficult to pa through customs, such as: Brazil, Chile,Turkey, Argentina, etc. Make sure you have the ability to pa customs. We do not give a refund if the buyer cannot go through customs and Customs deducts the package.4.If your place is remote ,then need to pay 38usd .About Returns:1.We do our best to serve our customers the best that we can.2.We will refund you if you return the items within 15 days of your receipt of the items for any reason. However, the buyer should make sure that the items returned are in their original conditions. If the items are damaged or lost when they are returned, the buyer will be responsible for such damage or lo, and we will not give the buyer a full refund. The buyer should try to file a claim with the logistic company to recover the cost of damage or lo.3.The buyer will be responsible for the shipping fees to return the items.About Warranty & Maintenance:1.We offer the 1-month free replacement. Buyers may request for a replacement within 15 days from your receipt of the product. The buyer should return the product in the original conditions to us and should bear the shipping costs for return.2.We also provide one year free maintenance. Th