Bluetooth hands-free speakerphone: This modle support hands-free speakerphone Bluetooth hands-free speakerphone /Suitable for all bluetooth telephones:1.bluetooth hands-free speakerphone2 .bluetooth v2.1+EDR, classll3.Operation frequency Band(RF): 2.402 ... , clip13,Speaker EP(1.5W)14,LED ; blue ;red Universal bluetooth speakerphone for car,office and homeFull duplex sound qualitySun visor clip ...