Wireless Technology
- Bluetooth standard: Bluetooth 4.2
- Wireless Range: 100 feet / 30 meters
- Supported Bluetooth profiles: Hands free profile v1.7, A2DP v1.2, AVRCP v1.3
- PC USB Bluetooth dongle (Yealink BT50): USB BT audio device/HID dongle. Bluetooth 5.0
Battery
- Battery: Lithium Polymer • Capacity: 1420mAh
- Charging time/power: 3 hours (5V/500mA)
- Max. charge current: 1.4A
- Talk time: 9 hours • Standby time: 230 days (Power safe after 30min)
Microphone
- Type: Omnidirectional microphone
- Signal to Noise Ratio (SNR): +58 dB
- Pickup range: 5 feet / 1.5 meters
- Frequency range – Conference mode: 100Hz-8kHz
Speaker
- Peak output power: 5W
- Root Mean Square (RMS): 3W
- Sensitivity: 81dbSPL +/-3db SPL @1m,1W
- Frequency range – Conference mode: 150Hz-8kHz
- Frequency range – Music mode: 150Hz-16kHz Audio
- Optima HD voice • Wideband Audio
- Audio duplex • Noise suppression (NS)
- Digital Signal Processing (DSP)
- Acoustic echo cancellation (AEC)
