Admos earbuds
price
95000
model: am657
brand: admos
connectivity: bluetooth 5.3, with an effective transmission distance of 10-15 meters
audio:
speaker size: 40mm
speaker sensitivity: 115 ± 3db
speaker rated impedance: 320 ± 15%
noise reduction: active noise cancellation (anc) with a depth of 20 ± 3db
battery:
capacity: 300mah
battery life: approximately 42.85 hours at 50% volume
charging time: about 1.5 hours
microphone: sensitivity of -42db ± 3db
other features: wireless operating frequency of 2.402-2.480ghz