| Brand | KOMC |
| Model | KM666 |
| Uses | Gaming audio and video headsets, gaming headsets, computer headsets, voice headsets |
| Type | Over-ear Headphone |
| Frequency | 12-22KHZ |
| Interface Type | USB |
| Impedance | 32Ω |
| Sensitivity | 108db |
| Color | Black |
| Microphone | Yes |
| Directivity | Omnidirectional |
| Wire controller | Support |
| Compatible Platforms | Wins, Xbox, iOS, Android, etc |
| Net Weight (g) | 0.3g |
| Dimensions | 220*85*200MM |
| Headphone Cable | 200CM |
Bluetooth Version: 5.0
Battery Capacity: 300mAh
Play Time: 20h
Charging Time: 2h
Diameter: 40mm
Impedance: 32Ω
Sensitivity: 98±3dB at 1000HZ
Best Transmission Distance: <1M
Maximum Transmission Distance: 10M
Wearing Method: Head-Mounted
Brand: Awei
Model: ES-770i
Sound Mode: Stereo
Sound Effects: 7.1 Virtual Surround Sound
Earphone Frequency Range: 20Hz – 20kHz
Earphone Impedance: 20 Ohm
Microphone Direction: Omni-Directional
Output Power: 20mW(1KHz 0dB)
Sensitivity: >110dB
Connectors: USB-A, 3.5mm Audio Jack
Working Current: About 90mAh
Input Voltage: 5V (Type-A)
Length Of Cable: 2.1 Meter
Weight: 300g
Wireless version: V5.0
Working distance: Up to 10m
Impedance: 32Ω±15%
Driver: 40mm
Frequency: 2.4GHz-2.4835Ghz
Battery: 300mAh, Rechargeable
Talking/play time: About 15 hours
Standby time: Up to 100 hours
Non-replaceable lithium ion-polymer
Power requirement: DC 5V 1A
Plug: USB+2*3.5mm jack
Impedance: 32Ω
Earpad material: PU
Frequency: 108dB
Drive unit: Φ40mm
Cable material: Braided cable
Cable length: 2m
Mic sensitivity: 58±2dB
















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