Product description    GENUINE and ORIGINAL Packing same as Pictures.Provide Tracking NumberSensitive design that easy to hear low noise Can be tuned easily and putting it in a breast pocket "8 direct key" deployment Charge it easily got home! Charging stand included that can be charged by simply placing Reception frequency  FM FM  87.5 ~ 108MHz (10kHz or 9kHz step region steppe region of AM) ※ 1  AM AM   522 ~ 1629KHz (9KHz steppe region or area J) / 520 ~ 1630KHz (10KHz steppe region) ※ 1  Battery duration (JEITA) (about)  AAA Panasonic manganese dry cell (R03) when using  Speaker when using  FM reception  About 5.5 hours  AM reception  About 7.5 hours  Inside phone use  FM reception  About 20 hours  AM reception  About 56 hours  Use AAA Ni-MH rechargeable battery HHR-4AH (fully charged)  Speaker when using  FM reception  About 13 hours  AM reception  About 15 hours   Inside phone use  FM reception  About 32 hours  AM reception  About 73 hours  Panasonic AAA alkaline batteries (LR03) when using  Speaker when using  FM reception  About 17 hours  AM reception  About 22 hours   Inside phone use  FM reception  About 50 hours  AM reception  About 110 hours  Speaker  28mm round 8Ω  (JEITA) Practical maximum output (DC time) (JEITA)  80mW 80mW  Earphone output terminal Φ3.5mm monaural earphones (32Ω)  Power (DC / battery)  (One rechargeable battery) 1.2V， (1 single 4 form dry cell) 1.5V  Body dimensions / maximum Dimensions (JEITA) (about) (depth × height width ×) (mm)  50.0×98.0×12.5/51.0×98.3×18.3 50.0 × 98.0 × 12.5/51.0 × 98.3 × 18.3  (About) (excluding / including the battery) mass  72g/60g 72g/60g