EPOS HD 450BT Headset Head-band USB Type-C Bluetooth Black

Storage temperature (T-T): -20 - 60 °C
Operating temperature (T-T): 0 - 40 °C
Weight: 238 g
Product colour: Black
LED indicators: Yes
On/off switch: Yes
Foldable: Yes
Wearing style: Head-band
Headset type: Binaural
Recommended usage: Calls/Music
Operating keys: Volume -, Volume +, Bluetooth pairing, Answer/end call
Volume control: Button
Product type: Headset
Cable colour: Black
Control type: Buttons
Sound pressure level (max): 108 dB
Detachable cable: Yes
Control unit type: On-ear control unit
Cables included: Audio (2.5mm to 3.5mm), USB Type-C to USB Type-A
Quick start guide: Yes
Safety sheet: Yes
Carrying case: Yes
Bluetooth: Yes
Frequency band: 2.402 - 2.480 GHz
Connectivity technology: Wired & Wireless
Bluetooth version: 5.0
USB connector: USB Type-C
USB connectivity: Yes
Bluetooth profiles: AVRCP, SBC, AAC, HSP, A2DP, HFP
Battery voltage: 3.7 V
Battery type: Built-in battery
Continuous audio playback time: 30 h
Battery technology: Lithium Polymer (LiPo)
Battery capacity: 600 mAh
Charging source: USB
Battery operated: Yes
Battery recharge time: 2 h
2.5 mm connector: Yes
Microphone frequency: 80 - 6000 Hz
Number of microphones: 2
MEMS (Micro-Electro-Mechanical System) microphone: Yes
Microphone direction type: Omnidirectional
Microphone type: Built-in
Driver type: Dynamic
Noise canceling type: Active
Ear coupling: Circumaural
Impedance: 35 Ω
Noise canceling: Yes
Driver unit: 3.2 cm
Total Harmonic Distortion (THD): 0.3%
Headphone frequency: 18 - 22000 Hz