The Konftel 300Mx is a conference phone for mobile networks with 30 hours of talk time, making it perfect for companies with a mobile office solution for which optimum sound quality is required. Equipped with OmniSound 2.0, recording SMS, conference guide and line mode (mobile/USB for VoIP). Can be supplemented with expansion microphones for large meetings. Is delivered with a charging cradle and a rechargeable battery. Two-year warranty. One-year warranty on the battery.