FiiO FA7 Best Over The Ear Headphones/Earphones Detachable Cable Design HiFi Quad Balanced Armature Driver in-Ear Monitors for iOS and Android Computer PC Tablet(Smoke Geometric with Silver Panel) Rybozen fatigue-free sound regardless of the

fatigue-free sound regardless of the device to which they are connected

Color: Red/Gray/Black

An internal lithium polymer rechargeable battery powers the headphones

Long-lasting battery life: it can last 6-hour music/talking time

Use: Travel Use

FiiO FA7 Best Over The Ear Headphones/Earphones Detachable Cable Design HiFi Quad Balanced Armature Driver in-Ear Monitors for iOS and Android Computer PC Tablet(Smoke Geometric with Silver Panel) Rybozen fatigue-free sound regardless of theBrand: FiiO Color: Smoke Geometric with Silver Panel Features: The first mass produced, 3D printed quad balanced armature in ear monitor 4 Knowles BA drivers in each of the ear unit work perfectly in harmony with masterfully tuned four way crossover The shell is made with German high transparency resin, specifically medically designed for ears and with EU IIA medical certification Detachable MMCX design with high purity monocrystalline copper plated