Bluedio Hurricane-HI - Wireless Earbud

Product Details:Brand Name: Bluedio. Model: Hurricane-HI. Bluetooth version: 5.0. Frequency range: 2.4 GHz-2.48 GHz. Supporting protocols: A2DP, AVRCP, HSP, HFP. Frequency response range: 20Hz-20KHz. Input voltage / current: 5V /> 100mA. Output power: 7mW + 7mW. Standby time: about 1000 hours. Music / talk time: about 5 hours. Charging time: about 1 hour for headphones, 2 hours for charging box. With microphone: Yes. Resistance: 32Ω. Style: in-ear. Communication: Wireless. 18 Months Worry-free Warranty: If you have any questions about the quality of the product, please contact us via email, we will be happy to solve the problem for you. Package Included:1 x Bluedio Bluetooth Earphones.1 x Charging Case. 4 x Interchangeable Ear Tips.1 x USB Charging Cable.1 x User Manual.First Pairing: First step - Open the charging case,long-press the multi-function button respectively, click any one of the earphones, the two earphones can be paired quickly. Second step-turn on the blutooth of your phone and choose "Hi". After First Pairing: Put the earphones in the charing case, click the charing button of charing box. Then open the charing box to take out the earphones, they will be turned on and reconnected automatically.How to do if only one earphone has sound or the other earphone does not be connected? Firstly, long-press the multi-function button to turn on the earphones, press the multi-function button for three times,the earphones will be turned down automatically.Secondly, put the two earphones back into the charing box, close the the cover, click the charing button of charing box, clear the pairing imformation. Restart the earphones and turn on the Bluetooth of phone for Bluetooth pairing.