Wireless In Ear headphones FX103BT Xtreme XplosiveWireless with Bluetooth connectionTough protector for durable body8.5mm Neodymium driver unitSweat proof (IPX2)Pivot motion fit for comfortable fittingS/M/L silicone earpieces and carrying case includedXX Bluetooth headphones with tough and rugged body. The rugged design of the XX Series goes well with street style.Both the looks and the dynamic bass sound make a great match for an active lifestyle.