FRANKLIN ROLODEX Mini-USB Organizer RL-8221 Access it and view it on the 3-line integrated LCD screen Download names, phone numbers, e-mail addresses, appointments and more from software (included) Battery Type 1 x CR-2025 (included) Includes keychain Size 3 3/4 x 1/2 x 1 1/2 inch Includes keychain Battery Type 1 x CR-2025 (included) Size 3 3/4 x 1/2 x 1 1/2 inch Weight Approx 1 oz