Etymotic Research ER4SR Studio Reference Precision Matched In-Ear Earphones Global Teck 1 × Charging dock to

1 × Charging dock to charge headphone and as transmitter

Ultra Clarity & Vivid Midrange - Lifelike vocals

Charge on the go with a PowerCore 5000 and PowerLine+ Micro USB cable or use the Premium AUX cable and airplane adaptor to listen to music in wired mode while you travel

Enjoy high quality Bluetooth audio streaming and simplified connectivity with Near Field Communications (NFC) technology

The DT 770's have proven after over 30 years of use in the best studios and sound stages around the world that they perform to the highest level every time

Etymotic Research ER4SR Studio Reference Precision Matched In-Ear Earphones Global Teck 1 × Charging dock toBrand: Etymotic Research Color: Black Features: High performance balanced Armature drivers are precision matched to within 1 dB Sleek, anodized, laser etched aluminum body Braided, reinforced 5ft detachable MMCX cables 35 42 dB of noise isolation with a max output of 122 dB Precision machined metal bodies with anodized finish Publisher: Etymotic Research Details: The Etymotic Research ER4SR is the new reference standard in ear monitor for those who