• It is comfortable & secure ergonomically designed with gel flex silicone earbuds to ensure your headphones stay comfortably firm in place to guarantee fatigue-free ears and tangle free comfort.
• Bluetooth headset connected to the phone after the shutdown and then open the bluetooth headset will connect back to the phone  automatically. 
• Supports listening to the song and calls.
• State of the art  earphones design best workout bluetooth headphones.
• Great for walking, jogging, hiking, biking, gym and some other activity.

Specification: 

Item Type: Bluetooth Earphone
Style: Ear Hook
Sensitivity: 98±3dBdB
Wireless Type: Bluetooth
Max Output: 1mW
Line Length: 0Nonem
Support APP: Yes
Number Of Drivers: 2
Impedance Range: Up To 32 Ω
Earcups: Semi-Open
Bluetooth Version: V5.0+EDR
Resistance: 32ΩΩ
Waterproof: Yes
Frequency Response Range: 20 - 20000Hz
With Microphone: Yes
Features: With Microphone
Wireless Frequency: 2.4GHZ
Supporting Agreement: A2DP1.3 HFP1.6 HSP1.2 AVRCP1.6 D11.3
Transmission distance: 15 Meters
Battery Capacity: 45mAh 350mAh
Charging Voltage Current: 5V 1A
Play Talk Time: About 3 Hours
Charging Time: About 1 Hour
Standby Time: 60 Hours
Microphone Sensitivity: -42Db
Working Temperature: -10-50 °C
Function: Monitor Headphone For Video Game Common Headphone For Mobile Phone HiFi Headphone Sport

Package Included:
1x1 pair of headphones 
1x charging bin
1x charging cable
1x instruction manual