Features:
model: ows902
bluetooth version: v5.3
speaker size: φ8mm
earbuds battery: 40mah, charging case: 300mah
speaker frequency: 20hz~20khz, sensitivity: 102±3db 1khz
specifications:
model: ows902
frequency :20hz_20khz
impedance :7ω ±15% at 1000hz
sound level/sensitivity :input power 50mw sine wave input 4.2v, must be normal
connection type :bluetooth
microphone :yes
battery :charging case battery: 3.7v/400mah
earbuds battery: 3.7v/50mah
duration :rated output power: rated power input 50mw
music playtime: 6h(60% vol)
call time: 4h standby time: 200h
charge time: 2h