Audio-Technica ATH-AR3BT Manuel De L'utilisateur page 16

Specifications
Communication specifications
Communication system
Output
Maximum communication range
Frequency band
Modulation method
Compatible Bluetooth profiles
Support codec
Supported content protection method
Transmission band
Headphones
Type
Driver
Sensitivity
Frequency response
Impedance
Input jack
Microphone (on the cable for smartphones)
Type
Polar pattern
Sensitivity
Frequency response
Other
Power supply
Charging voltage/current
Charging time
Operating time
Weight (without cable)
Operating temperature
Included accessories
Sold separately
* The above figures depend on operating conditions.
For product improvement, the product is subject to modification without notice.
15
Bluetooth version 4.1
Bluetooth Specification Power Class 2
1.8 mW EIRP
Line of sight - approx. 10 m (33')
2.402 GHz to 2.480 GHz
FHSS
A2DP , AVRCP , HFP , HSP
Qualcomm ® aptX™ audio, AAC, SBC
SCMS-T
20 to 20,000 Hz
Closed-back dynamic
40 mm
97 dB/mW
5 to 35,000 Hz
41 ohms
3.5 mm (1/8") stereo mini-jack
Electret condenser
Omnidirectional
-44 dB (1 V/Pa, at 1 kHz)
50 to 4,000 Hz
DC 3.7 V lithium polymer battery
5 V 200 mA
Approx. 5 hours*
Continuous transmission time including music playback time:
Max. approx. 30 hours*
Continuous standby time: Max. approx. 1,000 hours*
Approx. 190 g (6.7 oz)
5°C to 40°C (41°F to 104°F)
Detachable cable for smartphones (1.2 m (3.9') / 3.5 mm (1/8") gold-plated
stereo mini-plug (4 pole/L-shaped)), USB charging cable (1.0 m (3.3'))
Earpads, Cable for smartphones