Mobile cell socket type : MS Type is a mobile phone charger base connects to a standard phone in office, home, Vocation house, RV, or boats. It allows you to receive and answer cellular voice call on a standard phone. Features : --- It transforms mobile phone to wired phone --- Rapid charge mobile phone battery (always fully charged) --- Enhanced reception in marginal reception area (optional external antenna) --- Automatically unlock the key locked phone and reverse when unplugged --- It improves communication quality of cell phone --- Speak comfortably over conventional phone in better sound quality --- Perfect for home , office, vacation house, RV, boat etc --- Easy installation, plug and play --- Suitable for NOKIA 6150, 6110, 6130, 5130, 5110. --- Suitable for cordless phone --- Support up to 3 telephones (REN 3)