1. Bluetooth transmission range: 10 meters 2. Rechargeable battery capacity: 320 Mah 3. Headphone battery capacity: 32mAh 4. Working time: about 4-5 hours 5. Charging time: about 2 hours 6. Standby time: about 72 hours 7.Material: Plastic 8. Waterproof grade: IPX7 9. Operation mode: touch 10. Compatible: Android, Microsoft, tablet, 99% of mobile phones have Bluetooth. Feature: 1. Full frequency HIFI moving iron 2. LED digital display, real-time power display, power at a glance 3. The left and right ears can be used alone, and can be independently matched with Bluetooth devices 4. Smart button design, easy to operate 5. Bluetooth 5.2, low power consumption Notes: When buying tws bluetooth earphones, please read the following instructions: tws earphones will run out of battery due to long-term shipping. After receiving the package, you will not be able to use the headset. It may have lost power. The first thing to do is to charge the earphone case for 30 minutes. Very important. Thanks! Packing list: 1*Bluetooth headset (large) 1*Bluetooth headset (R) 1*C
