vivo TWS Air Half In-Ear Wireless Dual Microphone AI Call Noise Reduction Bluetooth Earphones(Blue)

Features:
1. Touch operation, easy and convenient
2. Bluetooth 5.2, low-latency dual transmission
3. Fluid mechanical ventilation holes, air can freely enter and exit the sound chamber, and the sound is full of momentum
4. System-level low latency, with a new antenna design, so that audio and video are always synchronized
5. Automatic pop-up connection when opening the cover, no need to pair again
6. 25 hours long battery life, DeepX 2.0 stereo sound effect
7. IP54 dustproof and waterproof
8. Ergonomic design, comfortable to wear
9. Small and comfortable, fit the auricle

Product parameters:
1. Bluetooth version: 5.2
2. Effective distance: 10 meters
3. Sound unit: 14.2mm moving coil unit
4. Speaker sensitivity: 100.6dB@1kHz
5. Frequency response range: 20Hz-20kHz
6. Audio decoding: AAC/SBC
7. Microphone: Dual beamforming microphone
8. Call noise reduction: dual microphone AI call noise reduction
9. Wireless connection mode: dual transmission 2.0
10. Delay time: 117ms
11. Battery capacity: 29mAh (headphone)/430mAh (charging box)
12. Charging time: 60min (headphone), 140min (charging box)
13. Charging specifications: input: 5V 0.5A, output: 5V 0.2A
14. Battery life: earphones: about 4.8 hours, with charging box: about 25 hours
15. Interface: Type-C/USB-C
16. Waterproof grade: IP54
17. Product size: earphone: 30.09 x 18.54 x 16.52mm, charging case: 56 x 52 x 24mm
18. Net weight: earphones: about 3.5 grams, charging case: about 31.04 grams, complete set: about 38.04 grams