SONY / MDR-1ABT B

These wireless headphones with Bluetooth support support high-resolution audio sources, allowing you to enjoy high-quality sound in a wireless environment.

■ High-resolution audio transmission technology ""LDAC(TM)"" transmits high-resolution audio sources at a maximum speed of 990kbps. Enjoy high-quality sound from a variety of sources between LDAC-compatible devices.
■ Equipped with DSEE functionality, it reproduces high-frequency sounds and subtle tones that are often lost in compressed audio sources, delivering natural, immersive sound quality.
■ Equipped with Bluetooth functionality, you can enjoy wireless connection with your smartphone or iPhone. Hands-free calling is also possible with smartphones and iPhones.
■ Built-in long-lasting battery life of approximately 30 hours of continuous playback allows you to enjoy wireless music without worrying about time. It can also be fully charged by connecting to a computer with the included USB charging cable in approximately 4 hours.
■ Achieves 100,000Hz playback, far beyond the audible range. The newly developed 40mm driver unit enables wide-band reproduction, improving low-frequency reproduction, while the HD diaphragm shape enables high-frequency reproduction far beyond the audible range.
*100kHz playback is only supported when the included headphone cable is connected.
■Swivel mechanism for easy storage. The housing swivels flat for convenient portability.
■A carrying pouch is included, allowing you to store the connection cable for easy portability.

◇Headphones
■Type: Closed dynamic
■Driver: 40mm dome type (CCAW voice coil)
■Sensitivity: 98 dB/mW
■Frequency Range: 4-100,000 Hz (wired connection)
■Impedance: 24 Ω (wired connection)
■Maximum Input: 100 mW
■Cable Length: Approx. 1.2 m, OFC Litz wire, detachable, single-ended (detachable)
■Input Plug: Gold-plated L-shaped stereo mini plug
■Weight: Approx. 300 g

◇Other
■Power Supply: DC 3.7 V Built-in rechargeable lithium-ion battery
■ Charging time: Approximately 4 hours (full charge)
■ Charging method: USB charging
■ Battery life (continuous audio playback): Up to 30 hours
■ Battery life (continuous talk time): Up to 26 hours
■ Battery life (standby time): Up to 200 hours
■ Maximum input power: 100mW

◇Microphone section
■ Type: Electret condenser
■ Directivity: Omnidirectional
■ Effective frequency range: 100-4000Hz
■ Accessories: USB cable, micro USB cable (approx. 0.5m), carrying pouch, connection cable, headphone cable (approx. 1.2m)

◇Bluetooth
■ Communication method: Bluetooth standard version 3.0
■ Output: Bluetooth standard Power Class 2
■ Maximum communication distance: Line of sight (approx. 10m)
■ Frequency band: 2.4GHz (2.4000GHz-2.4835GHz)
■ Modulation method FHSS
■Supported Bluetooth Profiles *4: A2DP (Advanced Audio Distribution Profile), AVRCP (Audio Video Remote Control Profile), HFP (Hands-free Profile), HSP (Headset Profile)
■Supported Codecs *5: SBC, AAC, aptX, LDAC
■Supported Content Protection: SCMS-T
■Transmission Bandwidth (A2DP): 20Hz - 20,000Hz (at 44.1kHz sampling) / 20Hz - 40,000Hz (at LDAC 96kHz sampling, 990kbps)