Bluetooth Earbuds Wireless Bluetooth 5_0 Wireless Headphones with Microphone HiFi Stereo in-Ear Bluetooth Earphones Waterproof Wireless Earbuds for Sport Blue

?Directions for use? Previous song: three click during music playback Next song: double click during music playback Pause/Play: click once to pause/play music while playing music answer/hang up: click once reject:double click ?Product Features?: Bluetooth version: 5.0 version Support agreement: A2DP1. 3 / HFP1.6 HSP1.2 / AVRCP1.6 / D11.3 Transmission distance: outdoor straight line distance about 10 meters Battery capacity: polymer lithium battery 50mha Charging case battery capacity: 1500mha Listening to music time: about 4 hours Up and down music / pause playback Call time:about 4 hours Standby time: 120 hours Charging time: about 1 hours Charging voltage/current?5V/1A ?What’s in the box?? Wireless Sports Earbuds x2 PCS(L/R) Charging Case x1 PC USB Cable x1 PC Original Ear Caps x1 Pair(M) Spare Ear Caps x2 Pairs(S/L) Operating instruction X1 Any question or request, just contact us, we will reply you within 24 hours.