ER3069B Features Compact size， easy to carry Super big LCD screen and soft blue backlight Supports full frequency transmission from 87.5-108MHz Features frequency memory function Using PLL-phrase-locked loop technology and CD sound quality Low current， save power Supports all the media players with audio output such as mobile phone/MP3/MP4/MID，etc. General Specs Brand & Model FM-185 Charging input DC 5V Dimension 4.9 x 2 x 1.1 cm Package Details Weight: 71.69 g Size: 18*10.5*3.3 cm