Wireless Invisible Bluetooth Mini Earphone Earbud Headset Hands-free for Smart phone

Feature: No need of ear hook, Connect with two device Technology: bluetooth 4.0
Radio frequency: 2.402-2.480GHz 
Audio output: 35mW, <15mA
Transmission range: <10 m
Charging Power: input AC 110-240V;  output DC 5V
Charging time: 2 hours 
Talk time: 4 hours
Music play: 3 hours
Standby time: 120 hours 
Wearing styles: In-Ear mini headphones 
Battery: 50mA rechargeable lithium battery
Size: 2.5cm*2.7cm*1.5cm
Weight: 0.085kg

Package Includes:
 1 x headphone
 1 x manual
 1 x charging cable