The built-in lithium-ion battery provides up to 40 hours of battery life when fully charged.
It also has a recording function that can be accessed with one button on the face of the device. Dont have a Bluetooth device to connect to.1 allows you to connect to wireless Bluetooth devices such as headsets speakers and earbuds.0 ounces Included in the box: SAMVIX GLASBA 64GB Kosher MP3 Player with Bluetooth and Samvix Books (Black) Made in China It comes with an internal memory of 64 GB giving you a large amount of space for your music books prayers and recordings.