Heres the technical specs (since nobody is posting in this thread)
1 Light button It is the ON/OFF switch of a front light. The operation under play is also possible.
2 Power lamp If a power supply is switched on, a "green" lamp will light up, and if the residual quantity of a battery decreases, it will change to "red."
3 Charge lamp During charge, an "orange" lamp lights up, and after finishing charge, a lamp goes out.
4 Power supply switch
5 Volume volume It is a slide volume switch.
6 Battery box The exclusive battery pack is built in.
7 L-R button It is the portion which operates with games.
8 Strap hook It is in two strap hook at left side and right side.
9 Link port Peripheral equipment, such as a communication cable, is connected.
10 New multi-access port Exclusive AC adapter or a headphone conversion plug is connected. AC adapter and a headphone conversion plug cannot be used simultaneously.
11 The slot for peripheral
equipment fixation It is a slot for fixing peripheral equipment.