Richbean RB55
High Definition Stereo Sound. Comfortable In-Ear Design. Built-in Control Buttons. Superior Battery Life.
Version: V5.0 with TF card Slot
Metal Housing with Magnetic Transmission frequency: 2.4 GHz
Battery: 135Mah with Protect IC
Talk Time: 7hrs
Standby Time: 280hrs
Charging Time: 2.5hrs
Data Interface: USB2.0
Speaker: 10mm/6u
Sensitive: 105+-3db
Input Interface: USB Stereo
Cable length: 44cm