Brand:?Yison
Product Type:?Earphone
Color: As given picture

Specification:
Drive unit: 10mm
Bluetooth Version: 4.2
Impedance: 32? ?15%
Sensitive: -25dBm
Frequency sensitive: 2.402-2.480MHz
Best work range: ?10M
Music time: About 5-6 hours
Talk time: About 5-6 hours
Charging Time: About 2hours
Charging input: Micro USB, DC5V,500mA
Battery: 3.7V/160mAh
Input voltage: 5v-500mA
Output Voltage: DC-5V
Features: Microphone, volume, previous/next
Supports: HFP, A2DP, AVRCP, SPP, HID

Warranty: 1 Year warranty.