✔ Discman Aiwa Portable CD Reader ✔ Plays CD/ CDR/ RW/ MP3 with 20 programmable memories ✔ Electronic Anti-Shock (ESP) protection up to 120 seconds.✔ "WAIT" function and special summary for Audiobook CDs. Partial, total and random repeat functions. ✔ X-HYPERBASS Sound Quality ✔ Volume control with digital limiter (Normal/High) Key lock function. ✔ High contrast alphanumeric LCD display (LCD) ✔ Headphone connection (3.5 mm). ✔ Battery charging function via MICRO-USB port (AC adapter not included). ✔ Power supply: DC 5V 1A, rechargeable batteries (AAx2) or batteries (AAx2) with micro USB port. Battery Charge Switch ✔ ACCESSORIES INCLUDED: High quality stereo headphones, zippered case, Aiwa Micro-USB nylon braided charging cable with aluminum housing (5V, 1A capacity), 2 rechargeable NiMh 1500mAh batteries.