Aec Bq618 Smart Wireless Bluetooth Stereo Handsfree Earphone With Microphone, Support 3

Line length:none with microphone:yes wireless type:bluetooth brand name:aec connectors:none waterproof:no active noise-cancellation:yes support memory card:no volume control:yes frequency response range:20-20000hz resistance:25 vocalism principle:hybrid technology model number:bq-618 sensitivity:110 5db style:headband support app:no control button:yes bluetooth version:v4.1 Edr supported profiles:hfp, a2dp, avrcp support apt-x:no product parameters:speaker specifications: 30mmoutput power: 32 ohms 45mwfrequency response: 200hz-2000hzsensitivity: 120db 3dbsignal to noise ratio: 90dbdistortion: 0.5%Bluetooth standard: bluetooth 4.1 Edrsupporting protocols: hfp, a2dp, avrcpsupport 3.5Mm audio inputpower supply mode: built-in lithium battery 190mahcharging time: 3 hours please extend the charging time for the first charge effective distance: 10 metersworking time: more than 10 hoursstandby time: 250 hourscharging interface: micro usbbuilt-in microphone to support digital signal processing echo cancellation technologyfeatures:smart bluetooth, wireless hififloating micro hifi sound effectspecification: package weight one package weight 0.21Kgs 0.45Lb one package size 19cm * 16cm * 5cm 7.48Inch * 6.3Inch * 1.97Inch qty per carton 64 carton weight 13.63Kgs 30.05Lb carton size 30cm * 50cm * 45.4Cm 11.81Inch * 19.69Inch * 17.87Inch loading container 20gp: 391 cartons * 64 pcs 25024 pcs40hq: 909 cartons * 64 pcs 58176 pcs

Line length:none with microphone:yes wireless type:bluetooth brand name:aec connectors:none waterproof:no active noise-cancellation:yes support memory card:no volume control:yes frequency response range:20-20000hz resistance:25 vocalism principle:hybrid technology model