PANASONIC Cordless Phone Handset DECT 6.0 - KX-TGFA30B (Black) Compatible with KX-TGF340/KX-TGF350/KX-TGF370/KX-TGF380 Cordless Phone Systems Accessory Cordless Handset does not work alone Accessory Handset works with models KX-TGF340/KX-TGF350/KX-TGF370/KX-TGF380 DECT 6.0 Technology Tia-1083 compliance - reduced noise and interference when used with t-coil equipped Hearing aids and cochlear implants