Lenovo Audio Headphones EPOS 4Z21P90191
Lenovo Audio Headphones EPOS 4Z21P90191
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- Power
- USB Type-C charging port: Yes
- Weight and dimensions
- Product weight: 245 g
- Working conditions
- Relative humidity range: 10 - 85%
- Temperature range (operation): -20 - 70 °C
- System requirements
- Mobile operating system support: iOS
- Windows operating systems supported: Yes
- Efficiency
- Product color: Black
- Headset type: Stereo
- Application: Office/Call Center
- Product type: Headset
- Wearing style: Headband
- Maximum sound pressure level: 108 dB
- Foldable: Yes
- Optimized for: UC
- Packaging data
- Weight with packaging: 524.5 g
- Packaging type: Box
- Package depth: 65 mm
- Package height: 207 mm
- Package width: 183 mm
- Package contents
- Safety Sheet: Yes
- Charging case: No
- Charging stand: No
- Receiver Included: Yes
- Cables: USB Type-C to USB Type-C
- Wireless receiver interface: USB Type-C
- Ports and interfaces
- Bluetooth: Yes
- Connectivity: Wired and wireless
- Bluetooth profiles
- AAC
- SBC
- Wireless router range: 30 m
- Bluetooth version: 5.0
- USB connection: Yes
- USB connector: USB Type-C
- Battery
- Talk time (ANC on): 24 h
- Talk time (ANC off): 41 h
- Continuous audio playback time (with ANC): 24 h
- Continuous audio playback time (without ANC): 46 h
- Charging time: 3.5 hours
- Battery powered: Yes
- Ready time: 1944 h
- Charging source: USB
- Other functions
- Other supported operating systems: ChromeOS
- Distortion: 0.3%
- Microphone
- MEMS (Micro-Electro-Mechanical System) microphone: Yes
- Foldable microphone: Yes
- Microphone impedance: 32 Ω
- Number of built-in microphones: 2
- Microphone Direction Type: Omnidirectional
- Microphone type: Boom
- Microphone frequency: 100 - 10000 Hz
- Hybrid noise reduction: Yes
- Noise-canceling microphone: Yes
- Headphones
- Total harmonic distortion: 0.3%
- Frequency response: 20 - 20000 Hz
- Speaker diameter: 4 cm
- Impedance: 32 Ω
- Headphone construction: Over-ear
- Driver Type: Dynamic
- Maximum input power: 50 mW
- Headphone sensitivity: -24 dB
- Acoustic system: Closed
- Supplier Features
- Charging time: 210 min
| Name | Details |
|---|---|
| Category | Phones and accessories |
| Producer | Lenovo |