XBS-i99IN is Luxpro’s ergonomic airtight earphone with aluminum alloy tea-pot -shape housing. Compact in size and lightweight, in-ear design provide good attenuation of ambient noise, and ensure fine sound reproduction and comfort for long wearing session. 10mm miniature speaker increases the sound resolution and delivers nice and rugged bass and powerful and clear treble.  High-elasticity and soft silica gel for the earphone offers confort for long wearing sessions.  Innocuity immovable OFC lacquered wire (0.05x14 x4) minimizes the impedance and power consumption, speeds up the signals and ensures their quality. Easy to carry and store.