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Product?specifications:

?Bluetooth?Version:?V4.1

Sound?Mode:?Stereo

Chip:?CSR

Charging?time:?2?Hours

Standby?time:120?Hours

Talk/Playing?time:5?hours

Operation?distance:10?Meters

Connect?2?phones:?Yes

Power?Source:?Built?in?Rechargeable?Battery

Weight?15g

?Functions:

?Volume?up

Volume?down

Playback/Previous

Lowe?Battery?Warning

Answer/End/Reject?Call

Transfer?call?voice

Connect?2?devices?at?same?time

Transfer?calls?between?2?mobile?phones

Replay?the?phone

Mute

Default?setting

Turn?off?voice?notifications

Turn?on?voice?notification

?Tips:

?Short?press?of?"+"?to?the?previous?song

Long?press?of?"+"?to?turn?up?the?volume

Short?press?of?"-"?to?the?next?song

Long?press?of?"-"?to?turn?down?the?volume

?Package?includes:

?1?sport?bluetooth?headset

1?Usb?charger?cable

2?sets?extra?sized?earbuds?smaller?and?larger