Portable and compact design: This is a compact portable radio with the following measurements (L135 x H66 x D28mm) that weighs in at only 192g. The digital radio equipped with a removable silver strap to make for easy carrying, and it can be hung anywhere and suitable for indoor and outdoor use. Note: this has no IPX rating, so not waterproof. Large battery capacity: 1) This radio equipped with a total of 3000mAh power via 2 x lithium battery rechargeable batteries, so it can last for 30 hours（≤ 1/3 volume）, which is more than twice that of a normal radio. 2) Fm radio supplied with a USB charging cable, can be charged with any compatible USB cable ie: USB adapter, computer, car charger, power bank, etc. Excellent reception: 1) This radios mains and battery only supports FM (87.5-108MHz), no matter which city you are in, you can easily listen to the local stations of the surrounding area. 2) No need to tune manually. A simple one key operation allows you to search for all available radio stations.Up to 99 radio stations can be stored (Note: when listening to the portable radios small, the screen only shows the station details in megahertz and has no clock function). Perfect sound quality: The small radio with its built-in 3W speaker, battery radio offers clear sound and supports a standard 3.5mm headphone jack for headphones or playing through external speakers (jack cable supplied) Intimate functional designs: 1) J-725 rechargeable radio with clock and alarm function; 2) Our alarm clock radio can be worked as a MP3 player, Supports TF card and USB drive with MP3 files; 3) The portable radio rechargeable built-in emergency flashlight: suitable for camping, night activities or even for power cuts. 4) Charging indicators: red = charging, green = fully charged.