Enrich each roomâs audio with your music collection through the Logitech iPod Rechargeable Speaker S315i. This is the portable way to share your music with family and friends without being tied down by cords. You can enjoy up to 20 hours of music without having to stop and recharge. The Logitech iPod Rechargeable Speaker S315i delivers amazing sound reproduction from all your favorite songs on your iPod or iPhone. You can even use a 3.5 mm auxiliary input to enhance the audio from your other music players.