Overview
these are dunspin go-021 tws (true wireless stereo) bluetooth earbuds — a budget-friendly wireless headset marketed under the slogan "beyond ordinary life."
key features
design & build
zinc alloy (metal) construction with a silver finish
airpods pro-inspired in-ear design
comes in white and black color options
compact charging/carrying case included
audio
hifi sound with "super strong stereoscopic sound"
supports a2dp/avrcp audio profiles
connectivity
bluetooth version: 5.4 + edr
wireless protocols: hfp / hsp / a2dp / avrcp
battery
earphone battery: 35mah each
charging case battery: 300mah
music/talk time: >12 hours
standby time: >100 hours
charging time: ~1 hour
case can recharge earphones 4+ times