adjustable On ear headphones

product overview:adjustable、plastic+metal adjustable arms,plastic headband ,NFC，moperating range: 10m(no barriers)，functions：volume，control,previous/next song,play/pause,talk/ end call ;:40MM anisotropic spk;:injection housing+metal adjustable steel tips;:1C pad printing logo ;:NY010（ Beken）/5.0(playtime:10-11H);:180MAH rechargeable battery(playtime:9-10H，charging time:2H);:soft earpads+silicon headbelt cover;:both-ends 3.5MM nickel-plated plug /1.2M  nylon wire;:0.3Mmirco usb charging cable;:change to nylon wire prop65 need extra  ;:in gift box pkg,4C printing ,poly bag matt finish,transparent stickers，10PCS/carton    ;