Christmas Gift High quality neckband sport waterproof stereo NFC Bluetooth 4.1 headphone for mobile phone

Description of Sport Bluetooth 4.1 headphone:                                                              

It is a sport waterproof stereo Bluetooth headset with the latest Bluetooth 4.1 technology and low power consumption, smart Voice prompt navigation, two microphones noise canceling, 3D soundtrack vibration alert functions. Which bring you a better experience and the headphone can connect to 2 different Bluetooth devices at the same time.

Specification of Sport Bluetooth 4.1 headphone:                                                            

Bluetooth version: V4.1+EDR
Support profile: HFP,HSP, A2DP, AVRCP
Battery size:120mAh
Music playing time:6 hours
Talking time:10 hours
Standby time:240 hours
Charging Voltage:DC5V/500mA
Charging time:≤2hours
Speaker diameter: φ13mm
Output: 0.125w x2
Microphone :-45db
Built-in two microphone with DSP technology
Working range:≤10 meters
Frequency response: 200Hz~20,000Hz
Broadcast battery
Battery capacity display. support iPhone, All Android phone
Voice guide

Pictures for sport bluetooth 4.1 headphone: