rechargeable fm digital radio receiver headphone foldable walkman headset 3.5mm

condition: new

model: f4

type: portable fm radio headphone

features: "wireless supports fm", "3.5mm aux cable", "stereo sound"

connectivity: aux

color: black

mpn: does not apply

audio outputs: 3.5mm audio

band: fm

battery capacity: 3.7v 650mah

battery life: 24 hours

current: 100ua

custom bundle: no

fm frequency range: 50-108mhz

frequency response: 200-20000hz

interface: 3.5mm audio

manufacturer part number: does not apply

material: plastic

memory card(s) supported: 31(can be customized)

power output: 3.2mw

sensitivity: =8db

use: manually searching, automatically searching, fully automatic scan

working voltage: dc3v