brand:OEM Whether the patent source:no color:Large quantity contact 13699752927 Support customization:support Bluetooth protocol:5.0 Transmission range:10 m channel:stereo Printing LOGO:Can Chip type:Jerry Whether it is single or double ears:bilateral stereo Occasions for gifts:Public relations planning Function:multipoint connection How to use:earbuds Mold type:male model Whether cross-border export of special supply sources:Yes
