: The Bluetooth symbol is a "bindrune" merging the Younger Futhark runes for Harald's initials: ᚼ (Hagall) and ᛒ (Bjarkan) .
: While typically optimized for 10 meters (33 feet), modern versions like Bluetooth 5.0 can extend this range significantly in open environments. bluetooth
Evolution of Bluetooth Technology: BLE in the IoT Ecosystem - MDPI : The Bluetooth symbol is a "bindrune" merging