Sony CSE003ARM Sports Case for Digital Walkman 3-way sports case designed for Sony NW-E002, NW-E003, and NW-E005 MP3 players Adjustable armband is ideal for jogging and walking; belt loop for waist attachment Removable clip attaches to backpack, purse, or other article for on-the-go use Lightweight, durable construction keeps MP3 player secure while exercising Offers easy access to MP3 player's control buttons; sleek black color