It is a GreenHeart mobile phone. It is compatible with 2G and 3g networks. It is a light weight mobile. The display screen has 16M colors. It is a TFT display screen. The screen has a scratch resistant surface. The alert types include vibration and MP3 ringtones. The Sony Ericsson Hazel J20 has a loudspeaker but no 3.5mm audio jack. 1000 entries can be made in the phonebook. The internal memory is of 280MB. It has a microSD card slot with which the memory is expandable up to 16GB. It has GPRS and EDGE for internet connectivity. It supports WLAN too.

It has Bluetooth for data transfer connectivity. There is no infrared port. It has a USB port. It has a 5MP camera which features autofocus and LED Flash. It also features Geo-tagging, Smile and Face Detection. It can make videos too and has a video light too. It has a secondary camera too. Messaging options include SMS, MMS, IM, Email and Push Mail. It features WAP browser too. It has stereo FM radio with RDS. It features preloaded, motion-based and downloadable games. The colors it is available in include Superior Black and Passionate Rouge. It has many Java applications including noise cancellation with dedicated microphone.