Definitely not an easy repair, but the instructions are good. Had a problem with desoldering the wires and directions weren't clear about removing the battery. It was hard to remove, but just took a little tugging to break the glue under it. Lost 2 screws during reassembly. Love this sight.
Promptly broke both blue plastic tools. I used a putty knife to pop the case. Opening was the only hard part. I didn't disconnect the headphone cable. No problems and the battery has enough charge that I listening to Bare Naked Ladies now. Last week I installed a new hard drive in my Mac mini. IFixit is the greatest!