Etymotic Research ER23-HF3-BLACK-I HF3 in-Ear Headset with 3-Button Remote Control for iPod, iPhone, iPad (Black) FiiO Standby time: 240hours

Standby time: 240hours

Now you can enjoy your music as it was meant to be heard in total freedom even in loud environments

quick recharge in 2 hours Micro USB charging built–in battery provides 20 hours of playing time

Brand: R O L A N D

Microphone Polar Pattern/Type: Omnidirectional Condenser

Etymotic Research ER23-HF3-BLACK-I HF3 in-Ear Headset with 3-Button Remote Control for iPod, iPhone, iPad (Black) FiiO Standby time: 240hoursBrand: Etymotic Research Color: Black Features: Made for Apple iPod, iPhone and iPad functionality Close proximity high sensitivity microphone. Achieves highest output sensitivity in its class with 105 dB SPL sensitivity at 1 kHz at 0. 1 mV. 85%+ response accuracy from 20 Hz 15 kHz. Accudriver(tm) high performance, precision matched, balanced Armature drivers. Accufilter(tm) user replaceable filters that protect the balanced Armature drivers. Includes