Joernso 1Pc Fineblue F920 Wireless Earbud Mini Call Retractable Portable Bluetooth compatible 4 0 Headset for Running

Description:
With clip design, it is easy and convenient to carry so you can clip the earphone on the collar. With silicone ear caps, this earphone is suitable for talking on the phone for a long time and you will not feel uncomfortable.
Adopting intelligent noise reduction technology, our earphone can provide you with a high-definition call just like face to face.
Made of ABS and silicone material, it is durable and reliable. The earphone will vibrate to remind you when the phone is 10 meters out of connection scope so as to prevent the mobile phone from being lost. When a call comes in, the earphone motor will vibrate for reminding so that you will never miss any important calls.
The length of the product is 5.5cm, the width is 2.7cm, the height is 1.5cm.
Our product is compatible with most smart phones with Bluetooth. It supports connection of two mobile phones at the same time for private life and work. It adopts retractable design so that it supports one-key to retract the headphone cord without tangling. You can enjoy 5-hour continuous talk comfortably without heating of the headset.

Item Name: bluetooth-compatible Earphones
Material: Silicone,ABS
Model: F920
Charging Voltage: 5V
Working Voltage: 3.7V
Bluetooth Version: 4.0
Transmission Distance: 10m
Battery: Built-in 80mAh Rechargeable Battery(Included)
Charging Time: 1-2 Hours
Talking Time: about 5 Hours
Playing Time: up to 4 Hours
Standby Time: up to 80 Hours
Chip Model: CSR8615B04
Impedance: 16±15 Percent Ω
Sensitivity: 95+/-3dB
Compatible Devices: Most Smart Phones with Bluetooth
Features: Simple, Comfortable to Wear, bluetooth-compatible 4.0
Size Details:
5.5cm x 2.7cm x 1.5cm/2.17" x 1.06" x 0.59" (Approx.)

Notes:
Due to the light and screen setting difference, the item's color may be slightly different from the pictures.
Please allow slight dimension difference due to different manual measurement.

Package Includes:
1 x bluetooth-compatible Earphone
1 x Big Ear Cap
1 x Small Ear Cap
1 x Data Cable
1 x User Manual