KOKKIA iSportHelmet - Helmet Stereo Earphone + iAmplifier - Headphone Amplifier

iTurboSportHelmet iSportHelmet Earphones with iAmplifier, for bikers with high-performance bikes or riding in convoys, preventing your loud bike or noise from other bikes/vehicles drowning out the audio to your ears. Includes: 1 pc iSportHelmet Stereo Earphone and 1 pc iAmplifier Stereo Amplifier iSportHelmet: Helmet earphones with UNIVERSAL Remote and Microphone, providing quality music and voice. - 3.5mm 4-pole plug/jack, compatible with 3.5mm audio devices - Microphone positioned for best voice quality - Universal remote control, volume adjustment and microphone works with Apple iPhones/iPads/iPods that support remote control, Samsung, Nokia and most smartphone/devices that support remote control and microphone. - 4 ft cable length (Black color) - Speakers attach securely to inside of helmets via Velcro iAmplifier: Tiniest, Lightest Headphone Amplifier available. 10mmX15mmX45mm, 0.3 oz. -Splitter with 4-pole Audio Jacks/Sockets: 2 4-pole female audio socket allows 2 headphones with remote control and microphone to be used. -Remote Control and Microphone Pass-Through: Headphones remote control and microphone are passed through iAmplifier to Audio device, allowing control of Audio device with headphone remote or for voice to be passed through iAmplifier to Audio device. -Long-Play: ~15 hrs (one headphone), ~9 hrs (2 headphones). -Superior Audio Performance: Output: 200mW(16Ω); 150mW(32Ω); 32mW(150Ω) SNR: >= 96dB (A weighted) Gain: >=10dB Distortion: <0.005% (10mW) Frequency Range: 10 Hz~100 kHz