Specifications
| Features | • Bluetooth version: BT 5.0 • PC connection: USB 2.0 (USB-A/USB-C) • Bluetooth range: Up to 100ft/30m • Bluetooth profiles: HFP 1.7, A2DP 1.3, A VRCP 1.6 • Bluetooth audio bandwidth: Narroband, Wideband, A2DP • Firmware update via Yealink USB Connect app • Visual indicator: 1 blue LED +1 red Led indicates pairing and connection |
| Physical Feature | • OS compatibility (as audio de vice): – Windows XP/SP3, Windows Vista 32-bit, Windows Vista 64-bit, Windows 7 32-bit, Windows 7 64-bit, Windows 8.1 32-bit, Windows 8.1 64-bit, Windows 10 32-bit, Windows 10 64-bit, Windows 11 64-bit – MAC OS 10.6 or later • Compatible with BH72 Lite/BH72/BH76 • Softphone support (call control): – Fully compatible with Microsoft Teams/Skype for Business – Compatible with most of PC softclients and, as a minimum, work as audio device |
| Package Features | • Dimensions (L x W x H): BT51-A: 18 x 13.9 x 5.1mm • Dimensions (L x W x H): BT51-C: 16.15 x 14.5 x 9mm • Operating environment: -10℃ to + 60℃ |

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