Capacity: 32GB Charging time: 4 hours continuous playback: 50 hours battery type: built-in battery monitor: color Cradle:Optional Operating System:Windows/Mac Voice Recording:Optional Direct Recording: Optional Series Name: NW-A16 Color Variation: Yes Connection method: cable video playback Brand SONY Model Name NW-A16/S Special Feature Supports high-resolution sound sources Connectivity Technology USB Memory Storage Capacity 32 GB Color Res Screen Size 2.2 Inches (5.6 cm) Compatible Devices Earphone Media Type Micro SDXC, Micro SD Component Type Battery Item Weight0.4 lbs(0.18 kg)