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