Quad BA+Dynamic Drivers Neckband Bluetooth Earphone

UiiSii BN90,four drivers earphone,dual balanced armaturer for mini tweeters,dual dynamic drivers for mini speaker,to present you unforgetable music experience.


CSR8640 bluetooth chip with stable signal

Power of eight drivers: Dynamic drivers 6mm x 4 + Balanced Armaturer drivers*4 surely packs a punch, A dynamic driver is like a mini speaker,Armatures are like mini tweeters.

The bass is full, the mids are articulate, the highs are sparkling, and the soundstage is extremely realistic and wide.                                        

Comfortable to Wear - Ergonomic silicone ear tips allow you listening to the music for a long time free of pain and keep a long sense of comfort during the wear.

Built-in microphone - easily answer calls with crystal clear sound and remarkable convenience.

16 hours playing time: Upgraded built-in lithium batteries support up to 16 hours talk / music time. Only charge for 1-2 hours can get full energy back.

Bluetooth Chip : CSR8640

Bluetooth version: 4.1

Driver: 6mm driver*2 + 2 BA

Charge time : 1.5 hours

Effective Distance : 10 meters

Talk/Music time : 16 hours

Standby time : 280 hours

Battery : 3.7v/250mAh