Main Features:
With Vibrating Alert Function, Let you won't miss any important calls.
Easy to wear clip, with function clip, carry your Fineblue conveniently on your shirt.
Extra long talk / play time, up to 8 hour of talk / play time, and 180 hours of standby time.
Pair two phones simultaneously, enjoy the comfort of pairing two phones at the same time with Fineblue.
Patented retractable cable technology, after finishing your call, retract your cable with a single push of a button(build-in 30cm cable) and the cable is flexible, maximum length is 12inches.
Hi-Fi Stereo Sound: DSP double orifice noise reduction technology, ensure Hi-Fi stereo music sound and strong signal,Works with almost any Bluetooth-enabled devices.
Specification:
Brand: Fineblue
Model: F920
Wearing type: In-Ear
Function: Bluetooth,Microphone,Noise Cancelling
Application: Mobile phone
Connecting interface: Micro USB
Connectivity: Wireless
Driver type: Dynamic
Impedance: 32ohms
Sound channel: Two-channel (stereo)
Standby time: 80 hours
Talk time: 5 hours
Music time: 4 hours
Bluetooth: Yes
Bluetooth distance: W / O obstacles 10m
Bluetooth mode: Hands free
Bluetooth protocol: A2DP,AVRCP,HFP,HSP
Bluetooth Version: V4.0
FM radio: No
Radio Frequency:2.402-2.480GHz
Charging Voltage:5V
Battery Capacity:80mAh

Package Contents:
1x Fineblue F920 Wireless Bluetooth Headset
1 x USB Cable
1 x User Manual
2x Eartips