Astell & Kern AK320 Hi-Res Portable Music Player Ultra-low jitter 200Femto seconds / VCXO Clock (voltage-controlled crystal oscillator) is mounted / parametric EQ featured Size (W - H - D): about 79.8 - about 112.4 - about 17.9 (mm) / Weight: about 230g Included items: microUSB cable, leather case, screen protective sheet x1, rear protective sheet - 1, microSD card slot cover x2, Quick Start Guide