Features :Excellent noise elimination capability.Bluetooth 4.2 with EDR Bluetooth enhancement rate greatly improves the data transmission rate of Bluetooth technology.Industrial Ceramic Antenna, Bluetooth Receiving Sensitivity is Better.130 mAh battery capacity, lasting 8 hours.IPX5 Waterproof Function.Specifications:Weight: 14g + 3GLine length: 95 cm + 5 cmBluetooth Specification: V4.2Running time: about 8 hoursStandby time: about 100 hoursCharging time: about 2 hoursPackage included: 1*Bluetooth headsetNotes:Please allow for slightly different sizes due to manual measurements.Due to the difference in display and lighting, the picture may not display the actual color of the item. thank you for understanding.#kz #zst #zsa #zsr #es4 #zs3 #zs4 #zs5 #zs6 #zs10 #as10 #ba10 #ed12 #ed16 #zs5e #earphones