Bluetooth 4.0
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अधिकतम स्पीड
—
अधिकतम रिज़ॉल्यूशन
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पावर डिलीवरी
—
रिलीज़ हुआ
2010
Introduced Bluetooth Low Energy (BLE) alongside Classic BT. The foundational version for fitness trackers, beacons, and IoT devices with months-long battery life.
क्षमताएं
डेटा
✓
वीडियो
✗
ऑडियो
✓
पावर
✗
Ethernet
✗
भविष्य-प्रूफ विश्लेषण
BLE remains foundational but BT 5.0+ dramatically improved range, speed, and broadcast capabilities.