1. Advanced Design: BC-R21 radio is made of unique ABS case, covered with special plastic uses DSP circuit, large quantity and light weight2. Listen anytime, anywhere: listen through the built-in high-performance speakers, or use headphones or earphones through the standard 3.5mm headphone jack (not included)3. For your extra convenience: The FM AM mini radio includes a telescopic antenna that can extend up to 11 inches to receive weaker stations, and a wrist strap that prevents it from falling and hangs it anywhere.4. Frequency range: FM: 88-108MHz, AM: 530-1600KHz. Easy-to-use tuning and combined rotary power and volume controls. There's a separate AMFM band selector switch, so it's easy to listen to your favorite stations.5.Super Portable: The size of this compact radio is only 95*58*22mm. Smaller than most smartphones, it fits in every pocket, handbag, etc.6. Model: BC-R217.FM: 88-1088.am: 53-1609. Power: AA (5 batteries) (not included)10.Package: 1*mini radio