Wireless Earbuds Headphones Bluetooth 5-0 Earbuds with Mic Smart Noise Reduction Fast Charging Case Auto Pairing in-Ear Ear Buds

2020 Bluetooth 5.0 Advanced Wireless Audio Noise Reduction Headphone / Quick Charger Case / Easy Connection ? Hands-free calling: built-in sensitive microphone for talking. ? Easy to use: multi-function touch button, you can answer the phone, change the song and adjust the audio by simply tapping the button ? Fast and stable pairing: Bluetooth V5.0 EDR technology, easy to pair with your devices. ? Resistant Sweat-resistant: sweat-resistant shell material to ensure high-quality sound when used in sports. ?Headphone use phase and special instructions: 1)Turn off Bluetooth. 2)Take out 2 earbuds, they will flash red and blue light. Please wait for 5 seconds before the light of one bud is off to ensure the earbuds connect with each other automatically. 3)If you are iPhone user, the phone interface will pop up a pairing window, click Done to finish first pairing. If you are Android user, open Bluetooth, search and choose :Air Max to make first pairing. 4)The earbuds will make a pair with your devices automatically as soon as you take out 2 earbuds in the next pairing. PS: If one bud stop working, please repeat the above steps. If that still fails, maybe the battery is flat. You have to put it back in the charging case to charge.  ?Technical Soecs: ? Item name:  Air Max ? Bluetooth version: V5.0 EDR ? Frequency: 2.4 GHz ? Microphone sensitivity: 42 dB ? Bluetooth range: 15M ? Battery capacity: 65 mAh (Bluetooth headphones) / 650 mAh (charging case) ? Package content: # 2 Bluetooth headphones # 1 charging case # 1 USB charging cable # 1 manua