AGPTEK H3 HiFi Bluetooth MP3 Player APTX High Resolution Lossless Digital Audio Player with 32GB Memory Card, Support Up to 256GB, Black

Q: Does the product have a hold/lock button disabling the buttons? If not, do the buttons get pressed when in one's pocket?

Unfortunately not. It does have a lock button that turns the screen and rotating button off but the volume and skip track buttons still function. The skip and play/pause button do get pressed occasionally but if you get a case, it shouldn't be too bad.

Q: Battery life? How long does it last on a single charge?

Hello,the device has long battery life.In medium volume, supports 22-24h music playback time via headphones and 8-10h music playback time via Bluetooth after fully charged for 3.5-4h.

Q: Is there built in storage?

No built in storage. The player comes with a 32GB microSD card. You can purchase additional microSD cards up to 256GB.

Q: Can i transfer songs from my phone to the player via bluetooth?

Yes, you can stream music from your phone through the player. As advertised, the Bluetooth is bi-directional. The other answer for this question is wrong.