Features: 1) FSK / DTMF compatible automatically, storing 40 incoming calls 2) Checks 10 outgoing calls and phone time. 3) 12 chord music, 4 standard rings and rings off optional 4) Rings volume adjustment 5) Handsfree volume adjustment 6) Theftproof function 7) Pre-dial and cancel number function 8) Checks, deletes and dials back incoming and outgoing calls 9) Talking function (optional) 10) Music hold function 11) Auto dial function Inner packing: 1pc/bubble bag/gift box Outer packing: 20pcs/ctn Carton dimensions: 41 x 41 x 36.5cm N.W.: 13kg G.W.: 14kg