|
产品名称：bluetooth headphone b20
features:
foldable design
20 hours playtime
nfc pairing
direct line-in for 3.5mm
adjustment of eq
specifications:
bluetooth version: v5.0
chipset: bk3266
driver unit: 40mm
distortion: 1%
frequency response: 20hz~20khz
s/n ratio: 85db
impedance: 24ω
sensitivity: 120db
battery capacity: 380mah
working time: 20 hours
charge time: 3 hours
working range: 10 meters
line-in plug: 3.5mm