Specifications
autonomy: earphones: up to 9 hours
charging case: 36 hours
impedance: 24ω
input parameters: earphones: 5.25v - 160ma max
charging box: 5v - 0.5 a max
output parameters: charging box: 5v - 0.5a max
microphone: 3 enc microphones
connectivity: bluetooth 5.3
bluetooth protocols: bluetoothlow energy / hfp / a2dp / avrcp
communication range: 10 meters (open space and no obstacles)
waterproof: ip54
noise cancellation: anc up to 43 db
doors: type c
weight: earphones + charging case: 62g
package content: buds 4 pro x 1,charging case x 1,headphone rubbers x 1,user manual x 1