Earphone TWS Edifier TWS330NB Black ANC

EDIFIER TWS330NB Hybrid ANC TWS Wireless Bluetooth Earphone bluetooth 5.0 quick charge AI Phone Call Noise Cancellation
Hybrid active noise cancellation technology isolates you from unwanted noise
Ambient sound mode allows you to hear environmental sounds such as traffic or flight announcements
AI call noise cancellation technology ensures clarity of phone calls
AAC audio decoding for high-definition audio with rich details
20 hours continuous playback with quick charging earbuds
IP54-rated dust and water resistance for outdoor use 

Bluetooth: 5.0
Protocol of Bluetooth: A2DP/AVRCP/HFP
Audio Decoding Format: AAC?SBC
Effective Distance: 10m
Running Time: 4h+12h (with noise cancelling on);5h+15h (with noise cancelling off)
Charging Time: 1h (earphones) + 1.5h (charging case)
Input: 5v==200mA(earbuds);
5v=200mA(charging case)
Frequency Range: 20Hz-20khZ
Output SPL: 94±3dBspL(A)
Rated Impedance: 24Ω