Radio performance parameters:
● FM (FM) Sensitivity: better than 5uV (microvolts)
● AW (FM) Sensitivity: better than 3mV / m (mV / m)
● FM (FM) receiver frequency range (optional): 64 the ~ 108MHz/76 ~ 108MHz (megahertz) 87 ~ 108MHz/87.5 ~ 108MHz (megahertz)
● AW (MW) Receiving frequency range (optional): 522 ~ 1620KHz (kHz) 520 ~ 1710KHz (kHz)
● Audio nominal output power: better than 150mW (milliwatts)
● Solar charging one hour of radio time (VOL20-26) (500W / ㎡): 8 ~ 15min (minutes)
● The battery is fully charged radio (VOL20-26): 4 ~ 6hr (hours)

Electrical performance parameters of the lighting
● The battery is fully charged lighting time: ≥ 6H (hours)
● The maximum luminous flux: the ≥ 5Lm (lumens)
● Lighting distance (center 0.2Lux): ≥ 10m (m)
● Solar charging one hour lighting (500W / m) ≥ 25 min (minutes)

Input charge, the output discharge parameters
● USB Input voltage: 5V ± 5
● USB output voltage: 5.5V ± 0.2
● Internal and the USB charging port: MINI-USB (V3)
● USB external discharge Interface: USB
● USB is fully charged 1.5-3H (hours)
● Solar is full power (500W / ㎡) :42-48H (hours)

Main Accessories life:
● Switch life: 5000
● Overall service life: 5yr (years)
● Plastic life: 5yr (years)
● USB / headphone jack: 5000

Size Weight:
● Total size: about 85X57X27mm (L * W * D)
● Weight: about 110g (grams)

Other:
● Built-in battery specifications: (mAh) 480mAh, 3.7V (volts)
● Built-in speaker diameter: Φ20 mm (mm) (2)
● This product uses the built-in antenna: Φ4X60MM