1. Big speaker design, powerful and shocking sound
2. Built-in antenna, 360-degree signal reception
3. AM/FM switching, multi-channel selection
4. Support headphone output, light and portable
5. Channel selection: manual
6. Signal to noise ratio: 50dB
7. Rated voltage: 3.7V
8. Rated power: 0.5W
9. Rated frequency: 50HZ
10. Impedance: 32 ohms
11. Channel: two-channel
12. Material: ABS
13. Power supply mode: 2 AAA batteries (not included)
14. Size: about 9.2 x 5.6 x 2cm
15. Weight: about 60g