Feb 6, 2025 - 1. Drive: 40mm 2. Impedance: 32 OHM 3. Bluetooth version: V5.0 4. Bluetooth frequency band: 2.4GHz 5. Power level: CLASS II 6. Bluetooth distance: barrier-free 10 meters 7. Frequency response: 20-20000Hz 8. With A2DP/AVRCP high-quality stereo audio transmission and remote control protocol 9. Charging time is about 2 ho
