size B description 
<br />Specifications:
<br />Color: oange, pink, blue, red, purple, rose gold (optional)
<br />Material: plastic shell
<br />Battery: built-in 180mAh lithium battery (included)
<br />Charging voltage: DC 5V
<br />Charging time: 2 hours
<br />Duration: 10 hours
<br />Bluetooth version: 4.0
<br />Bluetooth distance: 10 meters
<br />Function: Bluetooth music, Bluetooth handsfree, pause/play, volume +/-, prev./next song, hang up phone button, etc.
<br />Use temperature: -10 - 60  
<br />Frequency response range: 20-20KHZ
<br />Product size: 17*14*1.7cm
<br />Package includes:
<br />1x Stereo Bluetooth headset 
<br />4x Earbuds
<br />1x USB charging cable 
<br />1x English user manual 
<br />
<br />size A description 
<br />Specifications:
<br />Color: Rose Gold
<br />Material: Plastic + silicone
<br />Wear: Neckband
<br />Sound: Bilateral
<br />Bluetooth version: 4.0
<br />Protocol mode: HFP (phone hands-free), AVRCP (audio play)
<br />Prompt mode: Vibration
<br />Caller voice prompt: English
<br />Transmission frequency: 2.4GHz
<br />Bluetooth effective distance: 8m
<br />Microphone: Yes
<br />Battery: 250mAh (built-in lithium battery)
<br />Charging voltage: DV 5V (micro USB interface)
<br />Interface: Micro USB interface
<br />Charging time: About 2 hours
<br />Working hours: About 8 hours
<br />Product size: Neckband: 18*15*1.6cm; earphone cable length: 27cm, USB charging cable length: 77cm
<br />Package includes:
<br />1x Bluetooth earphone
<br />1x Micro USB charging cable 
<br />1x English user manual 
<br />1 pair x Earbuds<p> <b><b><img src="https://contestimg.wish.com/api/webimage/5873105fb112a44b001a39f5-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/5873105fb112a44b001a39f5-19-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/5873105fb112a44b001a39f5-20-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/5873105fb112a44b001a39f5-21-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/5873105fb112a44b001a39f5-22-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/5873105fb112a44b001a39f5-23-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/5873105fb112a44b001a39f5-24-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/5873105fb112a44b001a39f5-25-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/5873105fb112a44b001a39f5-26-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/5873105fb112a44b001a39f5-29-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/5873105fb112a44b001a39f5-30-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/5873105fb112a44b001a39f5-31-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/5873105fb112a44b001a39f5-32-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/5873105fb112a44b001a39f5-33-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/5873105fb112a44b001a39f5-35-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/5873105fb112a44b001a39f5-36-large.jpg></b></b></p>