UGREEN USB Bluetooth 4.0 Adapter (Black) Version: 4.0 with EDR Chipset: CSR *Support 4 Bluetooth devices at the same time Transmission distance without obstruction: 20M(Max) Transmission rate:3Mbps(Max) Frequency: 2.4GHz Apt-X certification Do not support APPLE Device Material: ABS LED indicator Support Bluetooth Profiles: apt-X, A2DP V1.2, GAP, HFP V1.5, HID OVER CATT, AVRCP V1.4, HSP V1.2, SPP V1.2, DUN V1.1, OPP 2.2 WIN7/XP needs to download the driver and install it on the official website of UGREEN
