Wireless Bluetooth 4.1 Hifi Stereo Headset Waterproof Sports Headphone EarphoneSpecification:Bluetooth profile: 4.1RF distance:10MTalking Time :7 hoursStandby Time :160 hoursCharge Time : 120minWeight:10gCable legth: 580mm Package include:1 x Sports headset2 x headplug1 x USB charging cable1 x User manual