Notes：

1，Bluetooth connection：You should put the headset into charging case for the first-time-use. When you take out the 

headset, the left and right earphones need to be connected to the bluetooth device 

(Mr-Blurtooth)twice respectively. Then, the headset can be used concurrently.

2，Language Switching：You should put the two headset into charging case, then take either of them, language can

be switched between Chinese and English for double click. If the two headset need 

language switch, do the process above for twice.

3，Bluetooth connection distance：The headset can be connected to Bluetooth in 10 m, and the messages can be received in

10 m. On the contrary, you cannot receive anything beyond 10 m.

4，About water-proof：The headset has a slight function of waterproof, like the sweat during exercise. Obviously, 

the headset cannot be used in water or in the shower.

5,headset cannot be used：You should check the power of the headset, and make sure the charging case is available. 

When the headset is charged for one hour, it will be used for 1-2 days

6，The instruction book has two sides, one for Chinese, and the other for English

• Bluetooth protocol: 5.1
• Whether single or both ears: two-sided stereo
• Function: battery display, call function, support music, multi-point connection, car hands-free
• How to use: earplugs
• Wireless type: Bluetooth
• Plug type: wireless
• Function: for mobile phones, HiFi headphones, iPod, sports, universal headphones
• Connector: none
• Communication method: wireless
• Active noise reduction: yes
• Support memory card: No