Fiche Technique Deep Bass R18 ecouteurs Casque Bluetooth V5 + sans fil TSuppor TF Card-FM-Audio input Deep Bass R18 Wireless headphone .version: V5.3 .Wearing method : head-mounted .Operating range : about 10 M . Battery Capacity : 200 mAh .Battery type : Polymer Battery .Making phone call : about 8-9 hours…