This amazing earphones works with all devices having Universal Bluetooth. Works amazing well with you smart phones and tablets. It can also be connected to two phones at the same time. It fits perfectly to your ears and has amazing sound quality.

Specifications:

• Wireless Version: Dual-mode Bluetooth V4.2, Ultra low power consumption.
• Sensitivity: -42dB 
• Frequency range: 20-20KHz
• Transmission Range: 10 m
• Charging time: 1~2 hour
• Music Time: 2-3 hours (When you turn the volume down 50%, use the longer) 
• Call Time: 3-4 hours
• Standby Time: 80~120 hours
• Battery Capacity: Polymer Lithium Battery 50 mah
• Charger Box Battery:450 mah
• Compatible phone: 99% of Bluetooth mobile phone

Package:

• Mini Bluetooth Earplugs Earphone wireless Earbuds
• USB Charging Cable
• User Manual
• Mobile Power & Charger Box

Plug Type: Wireless
Function: 

• For Mobile Phone 
• For Internet Bar 
• Monitor Headphone
• For iPod
• Sport
• Common Headphone

Wireless Type: Bluetooth
Communication: Wireless
Is wireless: Yes
Style: Ear Hook
Sensitivity: 106dB
Line Length: None
With Microphone: Yes
Support Apt-x: No
Resistance: 16Ω
Volume Control: Yes
Frequency Response Range: 20-20000Hz
Active Noise-Cancellation: No
Connectors: 2.5mm
Vocalism Principle: Dynamic
Specification: One to Two connections, can be connected to two mobile phones at the same time.
Intelligent compatibility: For support all Bluetooth mobile phone, tablet, notebook.
Product Size: Length 25MM. Width 15MM. High 35mm
Universal: Suitable for all smartphones
Product attributes: Wireless Bluetooth Double Earphones