Seca CT331 Resting ECG With USB & Bluetooth Interface The innovative seca CT331 offers the best of both: Medical Bluetooth connectivity and USB cabled option. Enjoy the flexibility of use in large clinic rooms with a wireless connection, but with a USB cabled option to plug in when needed. Cable-free operation also grants a higher freedom of movement and reduces trip hazards. Send the data to your EMR if you like and work paperless. Net Weight: 140g Dimensions: (W X H X D) 78 x 23 x 118mm Power Supply: Lithium Polymer Battery Functions: • QTC interval - Ideal for Mental Health • Bluetooth connectivity • USB connectivity • Paperless ECG option • EMIS & SystmOne integration • Print function • Device LED with start/stop function • Single beat analysis • Cumulative complexes • Digital pacemaker detection • Robust defibrillator proof