Hello everyone, I have 2 rio carbon in poor condition. 1. The battery has lost capacity. Its dimensions are 6mm * 19mm * 47mm. 2. There are glitches during operation: turning off the player, disk error. I want to replace the battery. I found a 6.5mm * 20mm * 40mm 800mAh battery in China. I also...

Hello. I love vintage technique such as orthodynamic headphones and 70s Japanese headphones