Amazon.com: TP-Link USB Bluetooth Adapter for PC(UB400), 4.0 Bluetooth Dongle Receiver Support Windows 11/10/8.1/8/7/XP for Desktop, Laptop, Mouse, Keyboard, Printers, Headsets, Speakers, PS4/ Xbox Controllers : Electronics
Parani-UD100 Bluetooth 4.0 Class1 USB Adapter, Exchangeable Antenna
Combination WiFi + Bluetooth 4.0 USB Adapter : ID 4827 : $14.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Amazon.com: Kinivo USB Bluetooth Adapter for PC BTD400 (Bluetooth 4.0 Dongle Receiver, Low Energy) - Compatible with Windows 11/10/8.1/8/7, Raspberry Pi, Linux, MacOS, Laptop & Headphones : Electronics
![Bluefruit LE Sniffer - Bluetooth Low Energy (BLE 4.0) - nRF51822 [Firmware Version 2] : ID 2269 : $24.95 : Adafruit Industries, Unique & fun DIY electronics and kits](https://cdn-shop.adafruit.com/970x728/2269-03.jpg "Bluefruit LE Sniffer - Bluetooth Low Energy (BLE 4.0) - nRF51822 [Firmware Version 2] : ID 2269 : $24.95 : Adafruit Industries, Unique & fun DIY electronics and kits")
Bluefruit LE Sniffer - Bluetooth Low Energy (BLE 4.0) - nRF51822 [Firmware Version 2] : ID 2269 : $24.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Long Range Bluetooth Usb Adapter Draadloze Bluetooth 4.0 Mvo Chip Dongle Voor Windows 10 8.1 8 7 Xp Vista|Draadloos adapter| - AliExpress
Bluetooth 4.0: What is it, and does it matter? - CNET
The 3G4G Blog: Different flavours of Bluetooth: 4.0, 4.1, Low Energy, Smart, Smart Ready...
IOGEAR - GBU521 - | Bluetooth Adapter | Bluetooth Dongle | USB Bluetooth
StarTech.com Mini USB Bluetooth Wireless Adapter Dongle Class 1 EDR 165ft - USBBT1EDR4 - Wireless Adapters - CDW.com
Bluetooth 4.0 USB Module (v2.1 Back-Compatible) : ID 1327 : $11.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Sonnet Long-Range USB Bluetooth 4.0 Micro Adapter USB-BT4 B&H
Linux Compatible Bluetooth Dongles
USB Bluetooth 4.0 Adapter | Advantage Software
Kinivo BTD-400 Bluetooth 4.0 Low Energy USB Adapter - Works With Windo
![Updated] The Difference Between Bluetooth 3.0, 4.0, 4.1, 4.2, & 5.0 Explained - Major HiFi](https://majorhifi.com/wp-content/uploads/5213ccb1757b7f4c568b4568.jpg "Updated] The Difference Between Bluetooth 3.0, 4.0, 4.1, 4.2, & 5.0 Explained - Major HiFi")
Updated] The Difference Between Bluetooth 3.0, 4.0, 4.1, 4.2, & 5.0 Explained - Major HiFi
Bluno Bee - Turn Arduino to Bluetooth 4.0 (BLE) Board - DFRobot
ORICO USB Bluetooth Adapter 4.0 (BTA-403)
Connect Universal Dual Headphone Bluetooth Audio Transmitter for TV
Amazon.com: Panda Bluetooth 4.0 USB Nano Adapter - Windows XP/Vista/7/8/8.1/10/11, Mint, Ubuntu, Fedora, openSUSE, Lubuntu, Zorin, BackTrack5 R3, Kali Linux, Raspbrian Wheezy and OpenELEC : Electronics
Tripp Lite Mini Bluetooth USB Adapter 4.0 Class 1 164ft Range 7 Devices - network adapter - USB - U261-001-BT4 - Wireless Adapters - CDW.com
Serial Bluetooth 4.0 BLE Module - iBeacon
Linux Compatible Bluetooth Dongles
The Evolution of Bluetooth 4.0 to 5.0: Your Guide to What You Need to Know
What is Bluetooth 4.0 and its Features? - The Gadget Square
