New product model : W5S, Version : BT 5.0 earphone battery : 45ma charging case: 450ma standby time :100 H play time :6H  Call time :16H Connection distance :15M headset size :2.6*1.6*2.1CM  charging case size :6.2*4.5*2.1CM Patented intelligent metal Charging case(charge full TWS headset for 3 times ) Left led flash with Red light:( left earbud no power and in charging,when power is full ,the led turn blue then off ) Middle led flash with blue light :30%-100% power(when the power is full ,the led turn off ) Middle led flash with red light :less than 30% power Middle led faster flash for 5 minute :1% power Right led flash with Red light:( right earbud no power and in charging,when power is full ,the led turn blue then off ) One earbuds charging time :about 60 minute Headphone （the L Earbuds is the main control button ） When the call is coming press L or R (Answer/Hand-up calls ) TWS mode multifunctionl key  Single press L or R(Play /Pause) Double press L(voice +) Three press L(voice -) Double press R(voice -) Three press R(voice +) Long press L 3S ,will hear “du” (last song) Long press R 3S ,will hear “du” (the next song) Package Include 2*Wireless Earbuds 1*Charging case 1*Charging cable 3*Pairs of Earbuds (S/M/ L ) 1*User Manual