TP-Link Bluetooth 4.0 Nano USB 2.0 adapter

Features - Bluetooth 4.0 - Applies the latest Bluetooth 4.0 with low energy (BLE) technology and it is backward compatible with Bluetooth V3.0/2.1/2.0/1.1 - Driver Free - Plug and Play for Win 8, Win 8.1, and Win 10 - Nano-Sized - Ultra-small for convenient portability with reliable high performance - Supported Operating System - Supports Windows 10/8.1/8/7/XP Specifications HARDWARE FEATURES - Standards and Protocols: Bluetooth 4.0 - Interface: USB 2.0 - Dimensions (W×D×H): 14.8×6.8×18.9 mm OTHERS - Certification: FCC, CE, RoHS - Package Contents: Bluetooth 4.0 Nano USB Adapter UB400, Quick Installation Guide - System Requirements: Windows 10/8.1/8/7/XP - Environment: * Operating Temperature: 0C - 40C (32F - 104F) * Storage Temperature: -40C - 70C (-40F - 158F) * Operating Humidity: 10%- 90% non-condensing * Storage Humidity: 5%-90% non-condensing