Fanvil DH401B Mono Open-Wear Bluetooth 5.4 Headset
Clear Calls Wherever Work Takes You.
The Fanvil DH401B is a lightweight mono open-wear Bluetooth headset designed for mobile professionals, hybrid workers and everyday business communication. Its open-ear design allows users to remain aware of their surroundings while taking calls, without placing an earbud inside the ear. Dual omnidirectional microphones with AI Environmental Noise Cancellation provide precise voice pickup, while Bluetooth 5.4 multipoint connectivity supports seamless switching between two connected devices. Weighing only 13.6g, the secure ear-hook design supports comfortable all-day wear. The included portable charging case provides up to 23 hours of total talk time and features a visible battery indicator for convenient mobile charging.
Features
- Open-Wear Design - Keeps the ear open for improved hygiene and awareness of the surrounding environment
- Bluetooth 5.4 Multipoint - Connects to two devices simultaneously for seamless switching between a smartphone and computer
- Dual-Microphone AI Noise Cancellation - Helps reduce environmental noise and improve voice clarity
- Precise Voice Pickup - Dual omnidirectional microphones capture speech clearly during professional calls
- Lightweight Ear-Hook Design - Weighs only 13.6g for secure and comfortable extended wear
- Portable Charging Case - Protects and recharges the headset while travelling or working remotely
- Visible Battery Indicator - Displays the remaining charging case battery level
- Extended Total Runtime - Provides up to 23 hours of talk time and 36 hours of music playback with the charging case
- Clear Audio Performance - High-quality speaker delivers natural call audio and detailed music playback
- AAC And SBC Codecs - Supports compatible high-quality Bluetooth audio transmission
- User Hearing Protection - Supports EN50332 hearing protection requirements
- Broad Compatibility - Works with compatible PCs, mobile devices, LINKVIL portable phones and Fanvil VoIP phones
Specifications
- Wearing Style: Open-Ear with Ear Hook
- Bluetooth Version: Bluetooth 5.4
- Bluetooth Profiles: HFP, A2DP and AVRCP
- Wireless Operating Range: Up to 10m
- Pairing List: Up to 8 Devices
- Simultaneous Connections: 2
- Microphones: 2× Omnidirectional Analogue Microphones
- Microphone Sensitivity: -38dBFS/Pa
- Microphone Frequency Range: 100Hz~8kHz
- Noise Cancellation: AI Environmental Noise Cancellation
- Audio Processing: Full-Duplex Technology and Acoustic Echo Cancellation
- Audio Codecs: AAC and SBC
- Speaker Size: 18 × 11mm
- Speaker Impedance: 16Ω
- Speaker Sensitivity: 122dB
- Maximum Speaker Input Power: 30mW
- Speaker Frequency Range: 20Hz~20kHz
- Music Mode Bandwidth: 100Hz~20kHz
- Call Mode Bandwidth: 100Hz~8kHz
- Hearing Protection: EN50332
- Headset Battery Type: Rechargeable Lithium Polymer Battery
- Headset Battery Capacity: 60mAh
- Headset Charging Time: Approximately 2 Hours
- Headset Talk Time: Up to 5 Hours
- Headset Music Time: Up to 8 Hours
- Headset Standby Time: Up to 11 Days
- Charging Case Battery Type: Rechargeable Lithium Polymer Battery
- Charging Case Battery Capacity: 400mAh
- Total Talk Time with Charging Case: Up to 23 Hours
- Total Music Time with Charging Case: Up to 36 Hours
- Headset Dimensions: 90.2 × 40.5 × 27.4mm
- Charging Case Dimensions: 95.6 × 50.6 × 35.4mm
- USB Cable Length: 0.6m
- Headset Weight: 13.6g
- Charging Case Weight: 48.2g
- Working Temperature: -10~50°C
- Storage Temperature: -20~70°C
- Working Humidity: 10~95% RH
- Compliance: CE, FCC and RoHS
