Firstsing Mini Twins wireless stereo headphones bluetooth CSR 4.2 headset for IOS Android

Wireless stereo sound, left and right ear separation, HIFI sound.
Left and right ears can be used separately (single channel), can also be used in pairs (stereo).
The diameter of only 18.5mm, the world's most mini. (RMB 10 Fen coin diameter is 18.5mm).
The British CSR Bluetooth solution, dual mode Bluetooth version 4.2, using the 2.4GHZ Bluetooth band.
The left and right ear are built in 65mAh special custom steel shell rechargeable lithium battery.
Bluetooth distance: no obstacle straight distance 10-20 meters, no obstacle 360 degrees 5-10M.
Charging: the use of NOKIA Mini charging interface, 60 minutes can quickly fill the battery 100%.
Built-in CVC6.0 noise cancellation technology, provide quiet call effect.
1 drag 2 function, can connect two mobile phones at the same time.