Description: Weight:80g Color:black，white Size:20*20*22 mm Bluetooth version: V2.1 Standby time:up 120 hours Lasting Talk Time:Up to 3 hours Effective range:10 metres farthest Bluetooth mode: Headset \/ Handsfree It is easy to carry and use where you go Soft in Ear Earbud Design，no need earhook also can use This bluetooth earphone is for talk function only， not for listen music Package included: 1*bluetooth earphone More detail: