Features:
1. Touch operation, easy and convenient
2. IP54 dustproof and waterproof
3. Adopt 12.4mm giant titanium-plated diaphragm moving coil
4. 28 hours long battery life, ANC active noise reduction
5. Bluetooth 5.2, low-latency dual transmission
6. Dual noise-canceling microphones + AI call noise reduction algorithm, clear and comfortable calls
7. AAC high-definition transmission protocol, stable and clear
8. Customized bass energy tube, greatly enhance the sense of atmosphere
9. Small and comfortable, fit the auricle

Product parameters:
1. Bluetooth version: 5.2
2. Effective distance: 10 meters
3. Sound unit: 12.4mm moving coil
4. Speaker sensitivity: 1107.5-113.5dB@1kHz
5. Frequency response range: 20Hz-20kHz
6. Bluetooth codec: AAC/SBC
7. Noise control mode: noise reduction mode/transparency mode
8. Call noise reduction: dual microphones + AI call noise reduction
9. Microphone sensitivity: -38dBV/Pa
10. Battery capacity: 43mAh (headphone)/440mAh (charging box)
11. Charging time: 90min (headphone), 120min (charging box)
12. Charging input (charging box): 5V 1A
13. Charging output (headphone): 5V 200mA
14. Interface: Type-C/USB-C
15. Waterproof grade: IP54
16. Charging case size: 66.84 x 51.45 x 25.04mm
17. Net weight: earphones: 4.3 grams, charging case: 41.8 grams, complete set: 50.4 grams