【lifetime warranty】: we can offer lifetime manufacturer replacement warranty and 90 days no questions asked return policy.( if have any question, please contact us via amazon message ) ( note: operation range can be affected by physical obstructions and wireless interference.) 【long range wireless transfer】: this usb bluetooth dongle with 2dbi external antenna, long range wireless transfer can up to 328ft/100m. ), faster data rate ( 3mbps), and lower power consumption backward compatible with bluetooth 5.0/4.2/4.1/4.0/2.1/2.0 dual-mode bluetooth transfer, compatible full-speed usb 2.0/usb 1.1 interface. 【bluetooth 5.1 dongle 】: with the latest bluetooth 5.1 + edr, transmission distance ( 328ft/100m. 【 work with multi-device】: this usb bluetooth dongle can make your computer for working with many devices at the same time.the anti-interference ability has been increased, new technologies have been adopted to reduce the loss of transmission efficiency caused by interference in the 2.4 ghz band. ( note: you can download the driver in cd disc / please contact us to get the online download driver site via amazon message, thanks )
Install driver tips : first install the driver, then plug this usb bluetooth adapter into your pc. ( not compatible with mac, car stereo or tvs.) 【bluetooth 5.1 adapter for pc】: help your old desktop add wireless bluetooth function to connect more bluetooth devices such as: mouse, keyboard, headphones, headset,speaker, printer, etc.
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