HOSYO Bluetooth 4.1 Earphone + Car Charger - The ultra-light headset feature and microphones provide clear, crisp call quality, making answering call easier and simple to hands free, a perfect companion for your smartphones. 

Dual USB Outputs - enrich your needs.

Hands Free Earpiece - Turn on this headphone and search "BT-C2" for pairing first before using it. 

Built-in Rechargeable 40Mah Battery - make it not only can be used in a car, also outdoors or anywhere.

Specifications
Bluetooth version: 4.1
Support protocol: HSP / HFP / A2DP /AVRCP
Compatibility: all mobile phones with Bluetooth
Bluetooth distance: ＞5M（open space）
Power input: DC12-24V
USB output: DC5V, 3.1A 
Battery: 3.7V, 40MAH
Work time: about 3H（play music) 
Charging time: about 1H
Charging way of earphone: by USB or car charger
Working temperature: -10~50℃
Size: 120*60*35mm
Weight: 35g

Package includes 
1 x Bluetooth Earphones with Car Charger
2 x Replacement Earplugs
1 x User manual

• Hands Free Earphone + Car Charger Use - Ultra-light headset feature and microphones provide clear, crisp call quality, meet your various needed and enjoy brilliant, HD streaming audio plus natural, clear calls.
• Latest Bluetooth 4.1 Technology - enjoy Hands Free talking and clear voice. Compatible with most smart phones like iPhone, Samsung, HTC, LG, Sony and other Bluetooth-enabled devices. Support to pair two devices at the same time.
• Dual USB Outputs - enrich your needs. USB output with Multiple circuit safety design,Overcharge protection, short circuit protection, overheat protection, overload protection, safe to use.
• Using More Humanized - the earphone will automatically charge when put down into the car charger. The ultra-light headset feature and microphones provide clear, crisp call quality, making answering call easier and simple to hands free,a perfect companion for your smartphones.
• Built-in battery - longer work time. With charging dock and it also built in 40Mah Battery. Easy to use - Without any driver and download the cumbersome APP, Smart answer and hang up calls by simply picking up and putting down into the charging dock. *One Year Warranty

Hands Free Earphone + Car Charger Use - Ultra-light headset feature and microphones provide clear, crisp call quality, meet your various needed and enjoy brilliant, HD streaming audio plus natural, clear calls.HOSYO