audio technica / ATH-WS99BT

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These ""SOLID BASS wireless headphones"" feature large-diameter drivers for deep bass reproduction and support for high-quality audio codecs.

■ A newly designed extra chamber mechanism made of robust aluminum increases acoustic density, delivering tight bass frequencies.
■ An isolation design that separates the acoustic and electrical components maximizes the performance of the large-diameter driver.
■ A round base duct located in the center of the housing improves bass characteristics.
■ Supports high-quality aptX® with minimal playback delay and AAC codecs with minimal sound degradation.
■ A high-quality headphone amplifier delivers rich bass reproduction.
■ Enjoy hands-free calls on HFP/HSP-compatible devices.
■ SCMS-T support allows wireless listening to OneSeg audio.
■ Multi-pairing support allows registration of up to eight devices.
■ Thick, memory foam ear pads prevent bass from escaping, providing a comfortable fit.
■ A smartphone cord is included, allowing for wired music playback and call operation.

◇Communication Specifications
■Communication Method: Bluetooth Standard Ver. 3.0 + EDR compliant
■Output: Bluetooth Standard Power Class 2
■Maximum Communication Distance: Within 10m under clear visibility
■Frequency Band: 2.4GHz (2.402-2.480GHz)
■Modulation Method: FHSS
■Supported Bluetooth Profiles: A2DP, AVRCP, HFP, HSP
■Supported Codecs: SBC, aptX, AAC
■Supported Content Protection: SCMS-T

◇Headphones
■Type: Closed dynamic type
■Driver: φ53mm
■Sound Output Level: 105dB/mW
■Playback Frequency Range: 8-26,000Hz
■Transmission Bandwidth: 20-20,000Hz
■Impedance: 37Ω
■Input Terminal: φ3.5mm stereo mini jack

◇Microphone
■Type: Electret condenser type
■Polar pattern: Omnidirectional
■Sensitivity: -44dB (1V/Pa, at 1kHz)
■Frequency range: 50-4,000Hz
■Power supply: DC 3.7V lithium polymer rechargeable battery (built-in)
■Charging time (※): Approximately 3 hours
(※) Varies depending on usage conditions.
■Usable time: Continuous communication (music playback): 6 hours or more
■Continuous standby: Up to approximately 200 hours
■Weight (excluding cord): Approximately 275g
■Operating temperature range: 5-40°C
■Accessories: 1.2m smartphone cord (L-shaped), 1.0m USB charging cable, pouch