Specifications: General Specification Brand BlitzWolf® Model BW-VOX1 Color Black Wearing Type In-ear Cable Length (m) 1.2m Net Weight (g) 16g Technical Parameters Compatible With Smartphones, tablets, portable music players and games consoles. Microphone Yes Wired Control Support Speaker Diameter 8mm Interface Diameter 3.5mm audio jack Driver Type Dynamic driver+Balanced armature driver Sensitivity 110 ± 3dB Impendance 16Ω Frequency Response 20Hz-40kHz Package Included: 1 X BW-VOX1 Hybrid Drivers Earphone 2 X Pairs Ear Muffs 1 X Cable Organizer 1 X Earphone Bag 1 X Using Manual 1 X Warrenty Card Ships in 7 business days. It is shipped from China. Delivery is provided by China Post Air Mail. Delivery time depends on the couriers, local customs in your country also holidays, weather conditions. Usually it takes from 39 to 60 days, depending on the customs at your country.