Bluetooth Headset Headphones Sports Bluetooth Headset In-Ear Headphones 4.2 Two-ear I7S Bluetooth Headset ParentingEssentials Is there a patent:have

Is there a patent:have

Rated input power capacity:5

Is it a patent source:no

Cross-border style type:Elegant temperament

Negative pressure centrifugal fan blade:Stainless steel floating cutter head

Bluetooth Headset Headphones Sports Bluetooth Headset In-Ear Headphones 4.2 Two-ear I7S Bluetooth Headset ParentingEssentials Is there a patent:haveTransmission range: 10 m Features: Battery display, voice control, call function, music support, multi point connection Bluetooth protocol: 4. 1 Channel: stereo Way of use: Earbud Whether single or both ears: Bilateral stereo Occasions for gifts: Advertising promotions, trade fairs, public relations planning, business gifts Colour: White