NEW Z228  4 microphones(Each Earbuds 2mic's) ANC noise reduction.

Functional performance: 4 microphones(Each Earbuds 2 mic's)

ANC+ENC noise reduction., Hall
power on+Wireless Charger BT8922 Chipset V5.3 Version
1.Material: Plating process                                                                                                                                              2. Effective straight-line distance: 15 meters 3. Speaker: φ13
4. Battery: polymer lithium battery earphone 40mah, polymer lithium
battery charging compartment
300mah
5. Playing time: single ear: 4-5H;
6. Standby time: 120H
7. Fully charged time: about 1 hour
for earphones, about 2 hours for charging compartment
8. Color: Black
Hybrid ANC & Feedback Mic and
Feedforward Mic and Talking Mic. Noise reduction value:30db