The 3G4G Blog: Different flavours of Bluetooth: 4.0, 4.1, Low Energy, Smart, Smart Ready...
Xy-bt-mini Bluetooth 4.1 Mp3 Lossless Decoder Board Bluetooth Speaker Amplifier Board Circuit Board Module For Car Mobilephone - Instrument Parts & Accessories - AliExpress
X6 Wireless Bluetooth 4.1 3.5mm AUX Audio Stereo Music Car Receiver Adapter Mic | eBay
Levin Bluetooth 4.1 Headphones Neckband Wireless Sports Headset Over-Ear earbuds with Sweatproof, Hi-Fi Stereo,Built-In Microphone and 12 Hours Playtime(Black) - Newegg.com
Mini Bluetooth 4.1 Audio Receiver MP3 Decoder Amplifier lossless XY-BT-Mini | eBay
BLE 4.1 vs. BLE 4.2 - New Features and Advantages | Symmetry Electronics
Better Connections Offered With Bluetooth 4.1 | eTeknix
Cloud-Savvy Bluetooth 4.1 to Reach Devices By Year End | News | Communications of the ACM
Otium Bluetooth 4.1 Receiver, Wireless Audio Adapter & Hands-Free Car | Otiumobile Direct
Amazon.com: Besign BK01 Bluetooth 4.1 Car Kit Handsfree Wireless Talking & Music Streaming Receiver with Dual Port USB Car Charger and Ground Loop Noise Isolator for Car with 3.5mm AUX Input Port :
Bluetooth 4.1 Audio Transmitter and Receiver - HAVIT HV-BT018 - Black
Updated] The Difference Between Bluetooth 3.0, 4.0, 4.1, 4.2, & 5.0 Explained - Major HiFi
BLUETOOTH® 4.1 FREQUENTLY ASKED QUESTIONS
Bluetooth 4.1 Audio Receiver with 3.5mm Audio Output - Special NFC Function - Transmission Range of 10M - On / Off Switch - LED Indicator - Black - Orico
Bluetooth 4 Vs. Bluetooth 5: A Feature Comparison
Bluetooth 4.1, 4.2 and 5 SoCs Meet IoT Challenges | DigiKey
Bluetooth Audio Transmitter Module Mini Bluetooth 4.1 Stereo Audio Transmitter F/ Wireless Headphones Amplifier Mp3 Speaker - Integrated Circuits - AliExpress
4.1 Home Theater System with Bluetooth (
TaoTronics Bluetooth 4.1 Transmitter / Receiver - iClarified
Q13 Mini Bluetooth 4.1 Earphone Wireless Music Headset Carkit Handsfree Phone Stealth Earbuds Fone de ouvido With Microphone (Black) - Walmart.com
Bluetooth 4.1: what is it and why should you care? | Trusted Reviews
Amazon.com: Bluetooth Headset,Wireless Bluetooth 4.1 Business Headphone Earphone 300mAh Super Long Standby Earpiece with Mic,Sweatproof,Noise Reduction,Mute Switch for Cell Phone, Skype, Truck Driver,Office,Sport : Electronics
Amazon.com: TP-Link NFC-Enabled Bluetooth 4.1 Receiver, Wireless Audio Adapter Streaming Music from Echo Smart Phone Tablet PC to Home Car Stereo Sound System (HA100) : Electronics