1、Integrated with the function of FM / AM 2 band radio + MP3 player. 2、Automatically search and store radio stations and manually tune the RF. 3、9 / 10KHz AM step adjustable,16-level volume control. 4、MP3 player: can play mp3 music stored in memory card. 5、Built-in 500mAh rechargeable lithium battery and battery consumption display function. Features: Integrated with the function of FM / AM 2 band radio + MP3 player. LCD digital display with backlight,more clear. Automatically search and store radio stations and manually tune the RF. 9 / 10KHz AM step adjustable,16-level volume control. MP3 player: can play mp3 music stored in memory card. High quality speaker, clear and loud sound. Built-in 500mAh rechargeable lithium battery and battery consumption display function. Small size, light weight, easy for carrying with in hiking, taking a bus or walk.  Specification: Item Type:Radio Frequency: FM: 64 / 87-108 MHz, AM: 520 / 522-1710 KHz Power: Built-in 500mAh rechargeable lithium battery Charging: DC 5V / 0.6A, Micro-USB jack Charging time: 3-4 hours Speaker: 6Ω 2W Output power: 3W Antenna length: 250mm / 9.8in   Package List: 1 x Receiver 1 x Cord 1 x Users Manual