Transmission range: 20 meters Function: Battery display, call function, NFC function, voice control, music support, multi-point connection Custom processing: Yes Print LOGO: Yes Bluetooth protocol: 5.0 Channel: Stereo How to use: Head-mounted Single or dual ear: Bilateral stereo Applicable gift-giving occasions: Weddings, birthdays, holidays, housewarming, trade fairs, advertising promotions, employee benefits, anniversary celebrations, business gifts, opening ceremonies, awards commemoratives, public relations planning Main downstream platforms: eBay, Amazon, wish, AliExpress, Independent Station, LAZADA Main sales areas: Africa, Europe, South America, Southeast Asia, North America, Northeast Asia, Middle East Have licensable own brand: Yes Whether the source of supply for cross-border export: Yes Support customization: Not supported Whether the source of patent: No Whether the factory: First-hand supply High-quality battery: With overcharge and overdischarge protection board
