Retekess PR13 Portable FM Radio, Pocket FM Radio Receiver, AAA Battery Powered Personal Mini Stereo Radio with Earphone and Lock Key for Walking, Jogging, Mowing, Church, Tour Guide (Gray) PR13 Portable FM Radio Receiver FM Radio:The PR13 unit is small enough to fit easily in your shirt pocket; you can use it for long walks, gyms, mowing, cycling, etc. - FM Receiver:Also use for church as an assisted listening system, using an FM transmitter to send the sound of your service to people outside in their cars Why You Choose? Portable FM Receiver 5 Station Presets - A direct tuning keypad allows you to electronically tune into any 5 stations you set, even if in different frequency bands with the press of a single, easy-to-reach button; Lock Switch - The radio has a lock key to prevent improper operation when used; 24-hour Digital Clock - This radio support international time 24 hour clock,and you can use it a little portable clock; DSPDSP(Digital Signal Processor)is signal modulation technique, now most of the radios are built with DSP function, with DSP can improve the radio receiver sensitivity. Give Your Love To Your Family and Friends Widely Used Specification_ Package includes: FM frequency: 60-108MHz 1 x PR13 FM radio Sensitivity: <3.5u - V 1 x In-ear stereo earphone Stereo separation: 32d - B 1 x Lanyard Signal to noise ratio: 45db 1 x User English manual Tuning increase: 0.1MHz - Built-in speaker: No - TR510 TR509 FT11 TR612 TR612 PR13/TR612 Storage Box Use with PR13/TR612 fm Receiver _ _ _ Product Features Portable fm receiver; size 3.7x2.1x0.8inches; weight 1.41oz; small and slim; can be put into pocket; handbag; backpack or shopping bag easily; the radio has a lock key to prevent improper operation when used Digital fm radio; fm 60-108 MHz; no AM; use an advanced DSP chip as the radio brain;making the signal analysis and reception ability stronger and channels more stable Convenient operation; with lock key and 5 storage positions for the station; each storage position can store a frequency; very suitable for drive-in theaters and church Large LCD screen;built-in double 16-bit mirror converter with low audio distortion output;the supplied earphone can be used as FM antenna; when receiving the stations; please extend the earphone cable as long as possible to get a better radio signal The shell is made of high-quality ABS material and yake oil with fine workmanship;strong shock and fall resistance ability; operated by 2XAAA batteries (not included); changing the battery is more convenient