● Chip：JL76D4

● Bluetooth Version ：5.2

● Professional hi-fi speakers, stereo surround, stronger bass ,Auto Turn-on, Auto pairing

● Touch key

● Battery capacity of single Earphones：Li polymer battery 30mAh ;

● Battery capacity of Charging Bin : Li polymer battery 250mAh

● Music time ： About 4.5 ~5 hours

● Life time ： 20hours ( with Charging Bin );

● Standly time : about 150 hours ;

● Earphone Charge time：1~1.5 hours ;

● Charging Bin Charge time：1~1.5hours ;( Type C Charging PORT)

● 3 Colors : Yellow amber , Classic white , classic black