The main parameters
● FM (FM) Sensitivity: better than 10uV (microvolts)
● AM (amplitude modulation) Sensitivity: better than 3mV / m (mV / m)
● FM (FM) Receiving frequency range: 87 ~ 108MHz (megahertz)
● AM (Amplitude Modulation) Receiving frequency range: 520 ~ 1620KHz (kHz)
● Audio rated output power: ≥ 100mW (milliwatts)
● 1 hour of sunshine radio time (500W/M2,): ≥ 20min (minutes)
● Solar is full Time (500W/M2): 20 ~ 25hr (hours)
● The battery is fully charged radio time: ≥ 5hr (hours)

External power input charge parameters
● 5-5 .2 V input voltage (V)
● Charging Interface: USB MINI5P
● Outside the internal battery is full time: ≤ 5hr (hours)

The life of the main parts
● Switch life: 5000
● Overall service life: 5yr (years)
● Plastic life: 5yr (years)

Size & Weight
● Machine size
● (On the flip cover) about 66 × 63.5 × 32.5mm (length × width × thickness)
● The whole weight of about 97g (grams)

Other
● Built-in battery specifications: Ni-MH battery 300mAh (milliamperes), 2.4V (volts)
● Solar Battery Specifications: 40Ma 4V
● Built-in speaker caliber: Φ28mm (mm)