1.bluetooth hands-free speakerphone
2.bluetooth v2.0+EDR, classll
3.Suitable for all bluetooth telephones
4.Universal bluetooth speakerphone for car,office and home
5.Full duplex sound quality
6.Sun visor clip fixation
7.Operation frequency Band: 2.4 to 2.48Ghz unlicensed ISM band
8.Range:up to 10 meters
9.Support headset and handsfree
10.Built-in speaker and microphone
11.Integrated with echo cancellation and noise suppressor
12.Battery type:rechargeable Lithium Polymer battery 3.7V,820mAH
13.Charging time:about 2 to 3 hours
14.Talk time:about 4 hours
15.Standby time:about 30 days
16.Dimensions:117.5*47*15.3mm
17.Pack include: car charger, USB cable, user manual, clip