1. Multi-function key of the headset for a long time until the blue/red light flickers alternately into the matching state. Search the matching connection through the Bluetooth tester.
2. It supports Bluetooth devices to play music, high-definition calls, built-in English voice prompts, support iOS system Headphone Power instructions.
3. Products in dry and ventilated rooms should avoid contact with corrosive substances, away from fire sources and heat sources. The product is charged 1 times every 3 months during storage. Work: 0~40 C, storage: -10~45 C, working humidity: less than 70%, storage humidity: less than 70%.
4. Compatible for iPhone, Galaxy, Xiaomi, Huawei, HTC, Sony and Other Smartphones.