Oakcastle MP100 mini Bluetooth MP3 player with FM radio should be a nice alternative if you don’t want your music to take too much storage capacity in your phone.
The MP100 MP3 player measures 2.3 x 1.4 inches and weighs 0.952 ounces. As shown in the images, the music player delivers an ultra compact and slim form factor, and with an integrated clip, you can easily attach it onto your cloth. Meanwhile, it comes with a waterproof silicone case to fit for various indoor or outdoor exercises.
The Bluetooth MP3 player supports almost all mainstreamed audio formats including MP3, WMA, OGG, APE, FLAC, WAV, AAC-LC and SCELP.
In addition to a 3.5mm audio jack, the music player comes equipped with Bluetooth 4.0 technology to work with Bluetooth headphones and speakers.
Moreover, built-in FM radio allows it to deliver your favorite radio stations. The MP100 has 16GB internal storage, and an extra microSD card slot supports up to 128GB to store more music. In addition, built-in rechargeable battery offers up to 30 hours of battery life between charges.
The mini Bluetooth MP3 player is priced at $20 USD If you’re interested, jump to the product page for its more details.