Điện thoại cầm tay không dây Yealink W78H• New modern commercial design, compact and easy to carry• 2.4‘’ 240 x 320 TFT color screen with intuitive user interface• Up to 21 hours talk time (in ideal conditions)• Up to 166 hours standby time (in ideal conditions)• Quick charging: 10-min charge time for 2-hour talk time• HD voice and noise cancellation• Headset connection via Bluetooth or 3.5mm jack• Vibration alarm gurantee you not to miss any call even in noisy situations• Sturdy and reliable belt clip to move freely• Flexibly meet demands in either single-cell or multi-cell solutionswith PSU