SONY / MDR-EX750BT B

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Variations

These neckband-style wireless earphones can also be used as a headset. They utilize LDAC, a high-resolution audio transmission technology, to achieve high-resolution audio quality even over Bluetooth (when transmitting high-resolution audio at 990 kbps).

■Uses LDAC, a high-resolution audio transmission technology
■Equipped with a high-quality φ9mm dynamic driver unit
■Bluetooth functionality and a built-in microphone for hands-free calling
■Slim design that fits comfortably around the neck
■Up to approximately 7.5 hours of continuous music playback
■Includes a carrying case that matches the color of the device
■Supports high-resolution audio playback via a dedicated headphone cable when the power is off

■Model Number: h.ear in Wireless (MDR-EX750BT)
■Type: Dynamic, Closed-Back
■Driver Unit: φ9mm Dome-Shaped (CCAW Voice Coil)
■Frequency Response: 5-40,000Hz
■Impedance: 16Ω
■Sensitivity: 105dB/mW (Wired)
■Cord: Approx. 1.0m (Detachable, OFC Litz Wire)
■Input Plug: Stereo Mini (Gold-Plated L-Shaped)
■Color: (B) Charcoal Black
■Weight: Approx. 38g
■Accessories:
・Dedicated Headphone Cable (Approx. 1m)
・Hybrid Earpieces SS, S, M, L (2 each)
・Micro USB Cable (0.5m)
・Carrying Pouch
・Clip

■Communication Method: Bluetooth Standard Ver. 4.1
■Output: Bluetooth Standard Power Class 2
■Maximum Communication Distance: Line-of-Sight Approximately 10m
■Frequency Band: 2.4GHz (2.4000GHz - 2.4835GHz)
■Modulation Method: FHSS
■Supported Bluetooth Profiles
・A2DP (Advanced Audio Distribution Profile)
・AVRCP (Audio Video Remote Control Profile)
・HFP (Hands-free Profile)
・HSP (Headset Profile)
■Supported Codecs: SBC, AAC, aptX, LDAC
■Supported Content Protection: SCMS-T
■Transmission Bandwidth (A2DP):
・20 - 20,000Hz (at 44.1kHz sampling)
・20 - 40,000Hz (at LDAC (96kHz sampling, 990kbps)
■ Power Supply: DC 3.7V (Built-in rechargeable lithium-ion battery)
■ Charging Time: Approximately 2.5 hours (full charge)
■ Charging Method: USB charging
■ Battery Life (Continuous Audio Playback Time): Approximately 7.5 hours
■ Battery Life (Continuous Talk Time): Approximately 7.5 hours
■ Battery Life (Standby Time): Approximately 200 hours