5, Single and binaural use independently,regardless of master-slave switch arbitrarily.
More FAQ.Please check it at the end.
Model: Lenovo GM2 Pro
Bluetooth Version: V5.3
Speak Unit: 10 mm
Battery capacity: 40mAh
Usage Time：About 5 hours（Earphones）
Charging Time: About 1 hour（Earphones）
Frequency Range: 2.402-2.480KHz
Transmission Distance: Up to 10 meters / 33 feet
Charging Compartment Battery Capacity：350mAh
What's in the box
2 x Bluetooth Earphones
1 x Charging Case
1 x USB Cable
1 x User Manual
3 x Earphone Cups(S,M,L Size)
1. Are they comfortable while wearing? Yes. The headphones are sized to fit most people's ear size and provide more convenience while maintaining comfort.
2. Can I activate Siri voice controls with these headphones? Yes, you could activate Siri by long pressing the left earphone Button for 2 seconds.
3. It has buttons to go to the next or previous song? Yes. Please Triple tap left earphone or right earphones.
4. How do you answer a call? You could answer the call by double-clicking the left or right earphone, long press the left or right earphone for two seconds to reject the call, and double-click the left or right earphone to hang up
5. Do they pair automatically with the phone or do I have to connect manually each time? Yes, of course. It will automatically connect with your device after first-time use.
6. How long does it take to fully charge?
Generally, 1 hours is enough to get it fully charged for earphones and 1.5 hour for earphones compartment.
7. Does this have a built-in microphone? Yes, a built-in microphone is made for clear talks.
8. It says they're waterproof, can you swim with them? No. It's just sweatproof. We don't recommend swimming with them.
9. Is this sound leak serious? As long as the volume is not the maximum, there will be no leakage of sound. As for the health of the ear, you should also avoid using the maximum volume for a long time.
10. What are the advantages of this open ear headphones and is it worth buying? Lenovo's latest design gaming earphones in 2022.Dual mode for music/game, custom gaming chip, low latency for gaming, comfortable to wear, AAC HD audio decoding