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It's a great honor for you to visit my store. Good luck with your favorite purchases Place of Origin: China Hign-concerned Chemical : None Material : ABS,Plastic Weight[g] : 200 Battery Capacity[mAh] : 30 Battery life up to[hours] : 6 Voice assistant built-in : No Maximum wireless range[m] : 10m-20m NFC Technology : No Sound Isolating : YES Category : Earphones & Headphones Earcups Type : Semi-open Number Of Drivers : 2 Charging Method : cable Headphone Pads Material : Silicone Driver Diameter : 13mm Impedance Range : up to 32 Ω Bluetooth Version : 5.3 With Microphone : Yes Is wireless : Yes Support APP : No Support Memory Card : No Waterproof : No Frequency Response Range : 50 - 20000Hz Plug Type : Line Type Active Noise-Cancellation : Yes Volume Control : Yes Vocalism Principle : Dynamic Wireless Type : bluetooth Connectors : Type c Communication : WireLess Style : In-ear Certification : CE,FCC,RoHS Origin : Mainland China Brand Name : DAIDAN The merchant warrants that their products comply with all applicable laws, and are offered only if they comply with Joom'sd policies and EU Product Safety and Compliance laws.