Amazon.com: EDUP USB WiFi Bluetooth Adapter, 1200Mbps Dual Band 2.4Ghz / 5Ghz, USB 3.0 WiFi and Bluetooth Receiver Transmitter 2 in 1 Bulit-in Antenna for PC,Desktop,Laptop : Electronics
BlueForce Plug & Go Bluetooth 4.1 | USB Receiver | AppMeas
Wireless Bluetooth 4.1 Adapter 3 in 1 USB Bluetooth Receiver 3.5mm Audio Jack TF Card Reader MIC Call Support For Speaker X6 - AliExpress
Bluetooth 4.1オーディオ送信機モジュール,ステレオ音楽,USB,サウンドカード,ワイヤレス転送,ヘッドフォン,Kcx_bt_Egd
Bluetooth 4.1 Receiver, Mini Car Bluetooth USB 3.5MM AUX Stereo Audio Receiver, Support Bluetooth Noise Reduction Answering, Stereo Digital Media Receivers for Car, Home Stereo, Speakers: Amazon.co.uk: Electronics & Photo
besign bk01 bluetooth 4.1 car kit hands-free wireless talking & music streaming receiver with dual port usb car charger and ground loop noise isolator for car with 3.5mm aux input port -
ELeXAR Bluetooth 4.1 Music Transmitter - 3.5mm Stereo Audio Adapter with USB Dongle for Wireless Streaming and Hands-Free Calls Black : Amazon.in: Computers & Accessories