Bezdrátová sluchátka s Bluetooth 5.3, nabíjecí pouzdro s kosmetickým zrcátkem, redukce hluku 10 metrů, rozhraní typu C

English materials: Product specifications： Bluetooth version: BT5.3 Effective distance :10m Horn diameter :13mm Speaker power : 3MW*2 Impedance : 32Ω Microphone sensitivity : -42db+1dB SNR :≥ 90dB Distortion :≤3% Length of charging e: 30cm Frequencyresponse : 20Hz~19KHz Playing time : about 4 hours Earphone battery capacity : 30mAh Battery capacity of charging chamber : 300mAh ( All technical data is subject to actual performance ) Net weight: 53. 3g Headphone size: 3. 3*2*1. 7cm Gross weight: 118. 5g Packing size: 14. 1*9. 1*3. 5cm Package List: Bluetooth headset x 2 Charging cable X 1 Charging box x 1 Manual X 1 Product operation instructions： 1. Power on: Method 1:Remove the left and right earphones from the charging bin and turn on the earphones. Mode 2: when the earphone is off (outside the chargingbin),touch t he left and right earphone multi-function touch button for about 3 seconds,and the earphone is on. 2. Power off: Method 1: Put the left and right earphones directlyinto the charging bin and close the cover to turn off the earphones. Mpde 2: long touch the left and right headphone multi-function keys 3.TWS pairing: a. When there is no pairing record between the left and right earphones, the left and right earphones will be paired automatically after they are turned on. b.When the left and right earphones have matching records,they will be automatically connected backwhen they are turned on. 4. Automatic switch between left and right ears: a.In the process of using the headset,put the left(right)ear into the charging box to charge, and itwillautomaticallyswitch to the right (left) ear to play (and continue to maintain the music state before switching). b.In the process of using the earphone,put the left(right)into the charging box for charging,which will not affect the normal operation of the right(left)ear c.After TWS connection,when any one ear is in use,take out another headset to automatically connect TWS,and the leftand right ears continue to work. d.Turn on the l eft or right ear separately to connect the mobile phone back. 5.Pairing with Bluetooth devices: Open the Bluetooth setting option of theBluetooth device to be paired, enter the optionfind the Bluetooth pairing name of the headset "Air-S28" .and click the pairing name to pair. Next time use open cover and connect. Note: Please refer to the manual for more functions.