Blue String HI TWS Bluetooth headset 5.0 in-ear true wireless high-capacity wireless headset with 600MA charging bin

Blue String HI TWS Bluetooth headset 5.0 in-ear true wireless high-capacity wireless headset with 600MA charging bin

$13.90
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brand: Bluedio/Blue Stringarticle number: HITransmission range: 10 mFunction: Battery display, call function, support music, multi-point connectionCustom processing: YesPrinting LOGO: CanBluetooth protocol: 5.0channel: stereoHow to use: earbudsWhether it is single or double ears: bilateral stereoOccasions for gifts: Weddings, birthdays, festivals, trade fairs, advertising promotions, employee benefits, anniversary celebrations, business gifts, opening ceremonies, awards commemoration, public relations planningcolor: blackMain downstream platforms: ebay, amazon, wish, aliexpress, LAZADAMain sales area: Africa, Europe, South America, Southeast Asia, North America, Northeast Asia, Middle EastHas licensable private label: YesWhether cross-border export of special supply sources: YesSupport customization: supportWhether the patent source: noFrequency range: 20Hz-20KHzStandby time: about 1000 hoursMusic/talk time: about 5-6 hoursCharging time: about 1 hour for earphones, about 2 hours for ch

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