GeeBee Ultimo Sports / gym running armband for MP3 players / phones in size: L / color: Black / compatible with (Sony Walkman NWZ-S540 series / NWZ-S544 series / NWZ-S545 series / NWZ-A845 A845 / NWZ-A840 A840) Soft inner lining for maximum comfort / holds device up to 140mm x 72mm x 12mm Holds device up to 140mm x 72mm x 12mm 2 earphone ports left and right to accommodate any MP3 player Fixed clear plastic sheet leaves your MP3 visible Simply styled headphone cord wrap takes up slack || Lifetime guarantee