1, did not see this Bluetooth headset oh, you can look at his manual, recommend several good Bluetooth headset to you: SARDiNE-Hello Kitty Bluetooth headset Hello Kitty Bluetooth headset uses a more powerful 6mm new diaphragm composite audio design. It is suitable to wear the pinna in the in-ear, even if it does not fall off during strenuous exercise such as running. Each headset weighs only 4g and is very light, so the comfort is also very good.
2, Bluetooth headset after the volume of the key at the same timePress to switch the language of Bluetooth headset in Chinese and English. Turn off Bluetooth on your phone, then go into pairing mode and click or double click the multifunction or pause button. When entering the pairing mode, double click the volume button and hear a beep, it means that the Chinese and English are successfully switched. If the volume button of the Bluetooth headset is sliding, you need to press the sliding button inside twice.
3, dudao Bluetooth headset is a brand of Guangdong Unique Technology Co., LTD., the company was established on May 20, 2020, is located in Changping Town, Dongguan City, Guangdong Province, Lu Wu Sanlian Road 101 Room 201. Main research and development, production and marketing, online sales:Electronic products, mobile phone parts, digital products, plastic products, hardware products, general household appliances, daily necessities, office supplies; Sales: medical devices (Category II medical devices); Import and export of goods or technology. 4, DUDAO unique from the inception, relying on a professional and skilled team, to create a mobile phone headset, data cable, charging head, mobile power, mobile phone protection, Bluetooth headphones, Bluetooth speakers, only watches, routers and other major product lines, product models as many as hundreds. And quickly seized the national market of mobile peripheral equipment, and became a household name of mobile peripheral equipment