Sony MDR-ZX770BN Wireless Bluetooth Noise-Canceling Stereo Headphones Headset

Features

Geared towards providing you a comfortable fit combined with active noise canceling, the black and blue MDR-ZX770BN Bluetooth and Noise-Canceling Headphones from Sony allows you to play your music and take calls without the need for cables. Its Bluetooth and noise cancelling can be used independently, and the included stereo cable allows you to connect to wired sources and used the headphones without the battery, which provides up to 13 hours of playback when using both Bluetooth and noise cancellation.

Multi-Function Design: Mix and match for flexible listening with 4 convenient listening modes. Experience cordless and noise-free freedom using both the Bluetooth and digital noise cancelling features. Or listen passively using the supplied audio cable, without having to rely on the built-in battery

Wireless Listening: Enjoy simplified Bluetooth connectivity and audio streaming with Near Field Communications (NFC) technology. Simply align your compatible devices to activate or deactivate pairing. To ensure an optimal experience, built-in AAC and aptX codec support ensures maximum signal quality when streaming your music wirelessly

Noise Cancelling: With the push of a button, the AINC circuit begins to analyze surrounding ambient noise and applies the optimal noise canceling mode to deliver noise-free music enjoyment

Hands-Free Calling: Enjoy hands-free calling thanks to the integrated microphone and Bluetooth profile connectivity. Once your phone is paired, simply press the phone button on the earpiece to accept incoming calls then press again to terminate the call. Music playback will automatically resume once the call is completed

Long Battery Life: The internal, rechargeable battery provides up to 13 hours of continuous, wireless music playback with noise cancelling activated, up to 10 hours hands-free calling, or up to 150 hours of stand-by time. In between charges, passive mode allows continued listening to your favorite tunes, in a conventional fashion, using the supplied audio cable

Broad Frequency Response: 40mm driver units deliver 20 Hz to 20 kHz frequency response when streaming audio wirelessly via Bluetooth, or go all the way with extended frequency response (8 Hz - 22 kHz) when using the supplied audio cable

Bass Response: Designed with the music in mind, Beat Response Control delivers tight and deep bass response

Designed for Comfort

Pressure-relieving cushions wrap around your ears for a comfortable acoustic seal and powerful bass response. And for when the music is over, the swivel ear cups fold flat and compact for enhanced portability

Specifications

Audio
Formats Supported	SBC, AAC, and aptX codec support
Drivers	40mm closed, dynamic
Frequency Response	8 Hz - 22 kHz (using supplied cord) 20 Hz to 20 kHz (Bluetooth/NFC)
Selectivity	3 distinct noise-canceling modes for use in different accoustical environments
Sensitivity	98 dB/mW (NC on with supplied cord) 100 dB/mW (NC off with supplied cord)

Hardware
Cable	1x 47.25" (1.2 m) stereo connecting cable 1x 19.75" (50 cm) micro-USB charging cable
Microphone	Omnidirectional electret condenser Frequency Range: 100 Hz to 4 kHz

Power
Battery Indicator	LED (Red/Blue)
Battery Life	Continuous Music Playback, BT/NC On: Up to 13 hours (approximate) Continuous Music Playback, BT On/NC Off: Up to 19 hours (approximate) Continuous Communications, BT/NC On: Up to 10 hours (approximate) Continuous Communications, BT On/NC Off: Up to 12 hours (approximate) Standby Time, BT/NC On: 26 hours (approximate) Standby Time, BT On/NC Off: 150 hours (approximate) With Supplied Cable, NC On: Up to 24 hour (approximate)
Battery Type	Built-In Lithium-ion rechargeable battery
Power Handling	100 mW (using supplied cord)
Power Source	DC 3.7 V: Built-in lithium ion rechargeable battery, DC 5 V: When charging via USB
Recharge Time	2.5 hours, approximate, from empty to full

Speaker
Impedance	23 ohms at 1 kHz (NC on using supplied cord) 50 ohms at 1 kHz (NC off using supplied cord)
Sound Enhancement	SBC, AAC, and aptX codec support

Wireless
Bluetooth	Version 3.0 2.4 GHz band (2.4000 GHz-2.4835 GHz) FHSS
NFC	Yes
Network Transport Protocol	A2DP (Sampling frequency 44.1 kHz)
Transmission Range	20 Hz to 20 kHz
Range of Operation	30' (10 m)

General
Design	Over-the-Head
Headband	Adjustable
Noise Level	ON/Off switch
Plug	Detachable L-shaped stereo connecting cord
Sensitivity	102 dB/mW (NC on with supplied cord) 101 dB/mW (NC off with supplied cord)
Power Source	DC 3.7 V: Built-in Lithium-ion rechargeable battery DC 5 V: when charging using USB
Weight	8.64 oz (245 g), approximate, including battery, without cable