Specifications, Headphones, Microphone (headphones) – Audio-Technica ATH-S220BT Wireless On-Ear Headphones (White) User Manual
Page 27: Microphone (cable), Communication specifications
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Specifications
Headphones
Type
Closed-back dynamic
Driver
40 mm
Sensitivity
105 dB/mW
Frequency response
5 to 32,000 Hz
Impedance
32 ohms
Microphone (headphones)
Type
Electret condenser
Polar pattern
Omnidirectional
Sensitivity
-42 dB (1 V/Pa, at 1 kHz)
Frequency response
50 to 4,000 Hz
Microphone (cable)
Type
Electret condenser
Polar pattern
Omnidirectional
Sensitivity
-44 dB (1 V/Pa, at 1 kHz)
Frequency response
100 to 10,000 Hz
Communication specifications
Communication system
Bluetooth version 5.0
Maximum RF output
10 mW EIRP
Maximum communication
range
Line of sight - approx. 10 m (33')
Frequency band
2.402 GHz to 2.480 GHz
Modulation method
GFSK, Pi/4DQPSK, 8DPSK
Spread spectrum method
FHSS
Compatible Bluetooth profiles
A2DP, AVRCP, HFP, HSP
Supported codec
SBC
Supported content protection
method
SCMS-T
Transmission band
20 to 20,000 Hz