Sennheiser EPOS Adapt 231 Mono Headset

Performance
Product colour: Black
Recommended usage: Office/Call center
Operating keys: Mute, Multi-key, Volume -, Volume +
Control unit type: In-line control unit
Sound pressure level (max): 118 dB
Product type: Headset
Headset type: Monaural
Wearing style: Head-band
Control type: Buttons
Volume control: Digital

Packaging data
Package weight: 108 g

Packaging content
Quick start guide: Yes
Quantity: 1
Cables included: USB Type-A to USB Type-C
Pouch: Yes
Safety sheet: Yes
Wireless receiver interface: USB Type-C
Receiver included: Yes

Ports & interfaces
Bluetooth: Yes
Connectivity technology: Wireless

Battery
Battery voltage: 3.7 V
Battery type: Built-in battery
Battery technology: Lithium-Ion (Li-Ion)
Continuous audio playback time: 27 h
Standby time: 300 h
Charging source: USB
Battery capacity: 205 mAh
Battery operated: Yes

Logistics data
Harmonized System (HS) code: 85183000

Microphone
Microphone type: Boom
Folding microphone: Yes
Microphone frequency: 100 - 8000 Hz
Microphone noise-canceling: Yes

Headphones
Ear coupling: Supraaural
Magnet type: Neodymium
Driver type: Dynamic
Acoustic system: Open
Headphone frequency: 20 - 20000 Hz