Havir phone companion features: 1. Two-way alarm: Apple Mobile phones and Havir companion separated a certain distance that while the alarm 2. Up to a mobile phone handset with four Havir companion while interconnected. 3. Image capture function, you can shoot pictures for each product protected as a mark to distinguish the various baby protected. 4. Recording, when your baby will issue you lose such a good sound set (a thief ah .......) 5. There are information prompts alarm, when an alarm occurs, it will generate a message prompt. 6. Anti-lost time personalization, you can arrange according to your alarm time setting a certain time, a certain period of time is not the police, to avoid unnecessary interruptions. 7. Long life, low power consumption USB charging, the battery can be charged with discharging aluminum 300 times the battery life of more than two years, a charge generally work more than 30 days. 8. Loud, strong vibrations in noisy situations can reflect any alarm to remind effect. 9.Havir phone companion beautifully compact, stylish, and height to match the style of Apple's mobile phone.