The Ericsson Z310a is the North American release version of Sony's Z310, a basic tri-band flip phone. The Z310a has the North American GSM band 850 as opposed to the Z310i's 900 band. It has a reflective frame and a 65k-color interior screen and monochromatic external display. It also has a VGA camera. Its Internet browser is NetFront 3.4 for WAP 2.0, and it can subscribe to RSS feeds. The Z310a allows SMS, MMS and email messaging, and uses T9 predictive text entry. It also has a basic picture editor and can play and download mp3 and polyphonic ringtones. Its battery life is typically around 7 hours, and the Z310a has a low price point.