Features: 

• High quality unit. 
• The sound of metal cavity. 
• Dual Earphone, Automatic Magnetic Adsorption Design. 
• Supports IOS,Android and almost bluetooth devices with microphone and remote photograph functions. 

Specification: 

• Modle:RM-S2 
• Design:Dual Earphone, Magnetic Adsorption Design 

Features: 

• High quality unit. 
• The sound of metal cavity. 
• Dual Earphone, Automatic Magnetic Adsorption Design. 
• Supports IOS,Android and almost bluetooth devices with microphone and remote photograph functions. 

Specification: 

• Modle:RM-S2 
• Design:Dual Earphone, Magnetic Adsorption Design 
• Bluetooth Version:V4.1 
• Transmission Power:Class 2 
• Transmission Distance:10M 
• Frequency Response:20-20000Hz 
• Charging Time:approx.2hours 
• Music Time:4-6 hours 
• Talk Time:5-8 hours 
• Standby Time:160 hours 
• Output Sensitivity:92 /-3dB 
• Microphone Sensitivity:-41 /-1dB 
• Impedance:16O /-10%Ω 
• Rated input power:10mW 
• Cable length:75mm 

Package Included: 

• 1x Bluetooth Earphone 
• 1x USB Charging Cable 
• 3x Pair Ear-caps (L/M/S Size) 
• 1x Engligh User Manual