Audio & Microphones

• Microphone Type: 3 beamforming, noise-cancelling microphones
• Microphone Pickup Range: Optimized for up to 8 participants
• Full Duplex Audio: Yes – supports simultaneous two-way conversation
• Speaker Frequency Response: 100 Hz – 20 kHz
• Microphone Frequency Response: 150 Hz – 7 kHz

Connectivity

• Wireless: Bluetooth® 5.1
• Wired: USB-C cable (included)
• Bluetooth Profiles: A2DP, AVRCP, HFP
• Multipoint Support: Yes – connect to two Bluetooth devices simultaneously
• Dongle Included: Yes – BTD 800 USB-C Bluetooth dongle (in EXPAND 40+ variant)

Power & Battery

• Battery Type: Rechargeable lithium-ion
• Talk Time: Up to 18 hours
• Charging Time: Approx. 3 hours
• Charging Interface: USB-C

Controls & Indicators

• Touch Controls: Call answer/end, volume, mute, Bluetooth pairing
• LED Indicators: Call status, mute, battery level

Design & Portability

• Dimensions: 120 mm (diameter) x 37 mm (height)
• Weight: Approx. 314 g
• Housing: Premium fabric and aluminium finish
• Portability: Compact and travel-friendly

Compatibility & Software

• UC Optimization: Certified for major UC platforms (Zoom, Cisco, etc.)
• Software Support: EPOS Connect and EPOS Manager for firmware updates and device management