Instant purchase OK / Priority to the buyer Please refrain from purchasing if you do not read the profile and product description. Follower discount of 100 yen is available. We cannot negotiate further price reductions. Unused item Operation has not been confirmed. No returns or exchanges to prevent trouble. Please purchase after accepting this. Brand: OKI Color: White Phone Type: Cordless Number of Batteries: 1 Lithium Ion battery Power Source: Battery-powered Compatible Devices: Telephone exchange. OKI Internal PHS handset *Requires settings on the telephone exchange main unit to use. OKI Internal PHS handset UM7700-SET (Internal PHS handset)