Audio & Connectivity:
- 3.5mm Jack Audio Out: Supports composite video and audio output.
- NFC & Bluetooth: Enables easy wireless connectivity and near-field communication.
- USB Interface: USB 2.0 (Full), B-Type.
Phone Set Features:
- Keypad Functions: Flash, Microphone Zone Selection, Volume Control (Up/Down), Microphone Mute, Speaker Mute.
- Mute Indicators: LED indicators for microphone and speaker mute status.
- Bluetooth Support: Yes.
Audio Technology:
- DSP-based Echo Cancellation: Yes.
- Automatic Echo Cancellation (AEC): Yes.
- Automatic Gain Control (AGC): Yes.
- Noise Reduction: Yes.
- Full Duplex Communication: Yes.
- Non-Linear Processing: Yes.
- Automatic Level Control: Yes.
- Frequency Range: 30Hz to 16KHz.
Power & Environmental Conditions:
- Power Supply: USB Bus Powered (DC 5V).
- Power Consumption: 300mAh Max.
- Operating Temperature: 5°C to 40°C.
Physical Characteristics:
- Dimensions: 140mm (Diameter) × 32mm (Height).
- Gross Weight: 500 grams.
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