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Bluetooth 3.0 RS485 Serial Adapter 10M Class2 for Wireless Data Communication – Oz Robotics
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Samson BT30 30-Pin Bluetooth Receiver | Sweetwater
Amazon.com: Kinivo BTD-300 Bluetooth 3.0 Low Energy USB Adapter - for Windows 10/8.1/8 / 7 / Vista, Mac OS 10.3.9 or Later : Electronics
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Phone Projector Adapter Bluetooth 3.0 BLS-TX8 3.5mm Audio Music Stereo Adapter for TV PC MP3 Unblock Tech - Walmart.com
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Amazon.com: 【Bluetooth5.3 Technology & Ultra-Low delay】 Bluetooth USB Adapter Bluetooth 5.3 Dongle Adapter for PC Speaker Wireless Mouse Keyboard Music Audio Receiver Transmitter Bluetooth
KONNWEI KW903 Bluetooth 3.0 OBDII Car Code Adapter – Meterport
USB Micro USB Bluetooth 3.0 Adapter | BTA6310 | Cirago
TS-BT35A08 Wireless Bluetooth 3.0 Audio Music Adapter Receiver with 3.5mm Connector for Bluetooth Speaker Headset MP3 MP4 Player - AliExpress
3.5mm Bluetooth 3.0 Wireless Mono Audio Music Receiver Car AUX Speaker Adapter | eBay
