kokkia iamplifier: tiny headphone amplifier splitter, with remote & mic passthrough

KOKKIA iAmplifier +
Splitter: The Ultimate Portable Headphone Amplifier. In addition to being the Tiniest and Lightest, iAmplifier is loaded with great features for many hours of high-quality audio enjoyment for yourself and your friend/partner: Elegant
Luxurious Black Design: iAmplifiers elegant finish and unobtrusive size, makes iAmplifier an awesome mate to your music Device, to provide capability to your music Device to drive your headphones with clear and high quality music, and/or to provide more run-time to your music Device. Splitter Feature with 4-pole
Audio Jacks/Sockets: 2 (Two) 4-pole (Left+Right Audio, GND and Mic) female audio socket allows 2 (Two) headphones with remote control and microphone to be attached, and used with iAmplifier and your Audio device, concurrently. Most other portable headphone amplifiers are only 3-pole audio jacks/sockets. Remote Control and
Microphone Pass-Through: The remote control and microphone signals/audio from your headphones remote controls and microphones are passed through iAmplifier to your Audio device, allowing you to control your Audio device with your headphone remote and/or for your voice to be passed through iAmplifier to your Audio device. Long-Play Time with Built-In
Rechargeable Battery: ~15 hours (one headphone), ~9 hours (2 headphones).
Superior Audio Performance: Headphone
Impedance Range: 16 to 1500 ohms.
Output: 200mW (16 ohms); 150mW (32 ohms); 32mW (150 ohms).
SNR: >= 96dB (A weighted).
Gain: >= 10dB.
Distortion: < 0.005% (10mW). Frequency Range: 10 Hz to 100 kHz.Included: iAmplifier, USB charging cable, user guide.

UPC NO: 095225899454
SKU: ADIB00GU070XE