1. Bluetooth 5.2, small delay, low power consumption, stable signal. 2. Built-in high-capacity lithium battery, the single use time is about 6.5h, and the battery life can reach about 26h when used with the charging bay. 3. Shallow in-ear physical noise reduction, blocking noise. 4. Tap the headset to recognize the instructions, and the functions are at your fingertips. 5. Bluetooth version: 5.2 6. Transmission range: about 15 meters 7. Headphone battery capacity: about 48mAh 8. Charging bay battery capacity: 400mAh
