Large capacity rechargeable battery -- built-in in high capacity 1200mah lithium battery to use for play time, ideal for picnic, party, barbecue and more.Perfectly portable, lightweight - this small, robust and compact fm radio has built-in 3.7v 1200mah lithium battery, you can carry your favorite music and playlists around with you. or, if you'd prefer, you can power it using a mains socket.Retro style fm radio, strong and stylish carrying handle - turn to your favorite fm channel by manually rotating the rotary dial, 100% retro style radio, combines the latest and best audio techMulti-band: supporting fm radio, bluetooth speaker, usb flash drive, sd card and mp3 music player, easy to read rotary dial for fm function, for fine tuning and for volume and on/offPerfect sound quality: provides a clear sound with a deep bass and smooth treble along with fine tuning optionLarge capacity rechargeable battery -- built-in in high capacity 1200mah lithium battery to use for play time, ideal for picnic, party, barbecue and more.Model Number: KNR5095