["please noted: it can'for t work in car stereo or TV !!! it can only use for computer. The Bluetooth-compatible 5.0 version do not support for Mac OS Linux system.\n\n1.Mini USB Bluetooth-compatible 5.0 adapter with high speed up to 3Mbps.\n2.Bluetooth-compatible low energy Wireless USB Dongle.\n3. Dual-mode Bluetooth-compatible transfer.\n4.Low-power selectable 1.2 to 3.6 VI/O.\n5.Supporting Bluetooth-compatible voice data.\n6.Supporting multiple languages.\n7.for Bluetooth-compatible v1.2/2.0/2.1/3.0/4.0/5.0\n\nItem Name: Bluetooth-compatible Adapter\nChip: RTL8761B\nFrequency Range: 2.400-2.480GHz\nTransfer Rate: 3Mbps\nDistance: 0-20M\nOperation System: Windows7/ 8/ 10/ / 2000/ 98/ Me etc.\nNot support : for windows xp/ vista , linux , for mac os\nItem Size: 21x16x5 mm\nWarranty: 2 Years \nItem Name: Bluetooth-compatible Adapter\nInterface: USB 2.0\n\nBluetooth-compatible Version: Bluetooth-compatible V5.0+EDR\nFrequency Band: 2.400-2.480GHz\nColor: Black/blue\nItem Size: 21x16x5 mm\n\n1 x Mini Bluetooth-compatible Adapter\n1 x C D Driver"]