Features:
1. Support two devices to be connected at the same time, free to switch playback
2. 27h long battery life, high-efficiency chip, large-capacity battery
3. Compact size, comfortable to wear
4. 117ms game low latency, audio and video synchronization, good gaming experience
5. Bluetooth 5.2, fast and stable connection
6. Dual microphone call noise reduction
7. 12.2mm large dynamic unit with bio-carbon fiber composite diaphragm, full low-frequency volume, clear and bright mid-range and high-frequency

Product parameters:
1. Bluetooth version: 5.2
2. Sound unit: 12.2mm moving coil unit
3. Audio decoding: AAC/SBC
4. Frequency response range: 20Hz-20000Hz
5. Interface: Type-C
6. Waterproof level: IP54
7. Battery capacity: earphones: 45mAh, charging box: 430mAh
8. Battery life: 7.6 hours for a single use, 27 hours with charging box
9. Charging time: earphones: about 60 minutes, charging box: about 110 minutes
10. Charging specifications: input: 5V/0.7A, output: 5V/0.3A
11. Dimensions: Headphones: 23.8 x 22.2 x 30.2mm, charging box: 60.0 x 24.3 x 45.4mm
12. Weight: Headphones: about 4.7 grams/piece, whole device: about 41.9 grams