Super Mini Size,Diameter is about 22mm
<br />    Bluetooth Version :Version 3.0,compatibility with V2.0 V1.2.
<br />    Effective range:10 metres farthest
<br />    Lasting Talk Time:Up to 3 hours
<br />    Standby time:up120 hours charger time:2-3 hours
<br />    Material: Plastic.
<br />
<br />Package Content:
<br />
<br />    1 X New Bluetooth Headset
<br />    1 X USB Cable
<br />    1 X User manual<p> <b><b><img src="https://contestimg.wish.com/api/webimage/5632d07ce1211b308a27a48a-large.jpg"><img src="https://contestimg.wish.com/api/webimage/5632d07ce1211b308a27a48a-1-large.jpg"><img src="https://contestimg.wish.com/api/webimage/5632d07ce1211b308a27a48a-2-large.jpg"><img src="https://contestimg.wish.com/api/webimage/5632d07ce1211b308a27a48a-3-large.jpg"><img src="https://contestimg.wish.com/api/webimage/5632d07ce1211b308a27a48a-4-large.jpg"><img src="https://contestimg.wish.com/api/webimage/5632d07ce1211b308a27a48a-5-large.jpg"><img src="https://contestimg.wish.com/api/webimage/5632d07ce1211b308a27a48a-6-large.jpg"><img src="https://contestimg.wish.com/api/webimage/5632d07ce1211b308a27a48a-7-large.jpg"><img src="https://contestimg.wish.com/api/webimage/5632d07ce1211b308a27a48a-8-large.jpg"><img src="https://contestimg.wish.com/api/webimage/5632d07ce1211b308a27a48a-11-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/5632d07ce1211b308a27a48a-12-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/5632d07ce1211b308a27a48a-13-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/5632d07ce1211b308a27a48a-14-large.jpg></b></b></p>