Fanvil - Dh401B Mono Open-Wear Bluetooth 5.4 Headset - Fanvil - Dh401B Mono Open-Wear Bluetooth 5...

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: 16
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