Dual SIM Dual Standby: Mini size and compact design, the mini mobile phone is very portable. The bluetooth dialer with voice changer phone can insert two SIM cards, or insert a SIM card and a memory card to expand the storage capacity.Bluetooth: After connecting to a smartphone, Bluetooth dialing and Bluetooth answering can be realized. Phone book, address book, music can be synchronized.Low radiation: Standby time up to 10 days, 350mAh battery capacity, removable battery. Most cell phones have a radiation rate of 2.1W/KG, but this one was 0.283W/KG, about one-seventh of the average cell phone.Other Features: The bluetooth mini phone flutters in the voice changer to change the voice and make your communication with friends more fun. Mini phone with MP3/MP4 music player, built-in player, enjoy your leisure time.Clear sound quality: The compact phone has a learned sound quality and vibration pattern. High-quality speakers, you can hear each other clearly, even in noisy environments.Display size: 2.7 inches