ANC=Reduce Noise By Up to 80% ENC 2.0=Reduce call Environment noise by 98% T-M3S

AANC Noise Cancellation/ENC 2.0 In-Ear TWS
1. Chip: 7003d Bluetooth 5.4, low power consumption
2. Dual earbud battery: 25mAh
3. Charging case battery: 300mAh
4. Call/Music time: 7 hours (with ANC off, at 50% volume)
5. ANC: Reduces up to 80% of noise; ENC 2.0: Reduces 98% of environmental noise during calls