... Product size: (D) 3 x 13.5cm (L) Dimensions of retail packaging: 19.5 x 11. ... options: dim light, glare, and flash With MP3 player and built-in 2GB memory Supports all kinds ... of audio files Suitable for earphones MP3 speaker without earphones, can be a high-quality ... biking, fishing, climbing, and more Multifunction with flashlight, MP3 speaker, and player, can be used as bicycle light ...