More Details:
HOCO EPB04 Bluetooth Headphone
HOCO EPB04 Bluetooth Headphone
HOCO EPB04 Bluetooth Headphone
HOCO EPB04 Bluetooth Headphone
HOCO EPB04 Bluetooth Headphone
HOCO EPB04 Bluetooth Headphone
HOCO EPB04 Bluetooth Headphone
HOCO EPB04 Bluetooth Headphone
HOCO EPB04 Bluetooth Headphone
HOCO EPB04 Bluetooth Headphone
HOCO EPB04 Bluetooth Headphone
HOCO EPB04 Bluetooth Headphone Package
HOCO EPB04 Bluetooth Headphone structure

Features:
Compatible with most of smartphon like xiaomi, iPhone, Samsung, huawei, etc.
The headphone can connect to two devices.
Support to display battery level on iOS system and some Android smartphones.
Noise canceling fucntion. 

Operation guide:
Pairing:
Don't let it go after power switch, keep press to enter pairing mode(red and blue light flash alternately). Aterwards, smartphone can search the headphone and connect.

Mode set up:
1. Standby mode: Blue light flash every 5s when headphone is in standby.
2. Using mode: Blue light flash every 1s when headphone is in call status.

Specifications:

General Specification
  Brand Name HOCO
  Model Number EPB04
  Color White, Gold, Rose Gold
  Wearing Type In-ear
  Compatible With Android and iOS system
Technical Parameters
  Bluetooth Version V4.1
  Bluetooth Protocol Headset, Hands-free, A2DP, AVRCP
  Transmission Frequency 2.4GHz
  Effective Distance 10m
  Standby Time 55 hours
  Charging Time Less than 2 hours
  Talk Time About 3 hours
  Music Time About 4.5 hours
  Charging Voltage DC 5V
  Battery Capacity 55mAh
  Function Multi-point connection, battery level display, voice prompt, 

Package  Included:

Original HOCO EPB04 Universal Business Wireless Bluetooth V4.1 Headphone Earphone 1 X HOCO EPB04 Bluetooth Headphone
 1 X Charging Cable
 1 X Ear Hook
 1 X English Manual