Bluetooth Adapter, (Broadcom BCM20702 chipset) UtechSmart USB Bluetooth 4.0 Low Energy Micro Adapter (Windows 10, 8.1, 8, 7, Raspberry Pi, Linux Compatible; Classic Bluetooth, and Stereo Headset Compatible) Upgrades Bluetooth support for (Windows 10, 8.1, 8, 7, Raspberry Pi, Linux Compatible; Classic Bluetooth, and Stereo Headset Compatible Extremely compact USB adapter. Safe to leave in for laptop travel. Low power. Supports Bluetooth keyboards, mice, headsets, and more (with Microsoft built-in drivers) Wireless range of up to 30 feet (10 meters) Latest Bluetooth specification v4.0 Class 2 with low energy technology; Fully compatible with older Bluetooth equipment