Features:
OOTDTY
brand new and high quality
Built-in microphone, support digital echo-cancellation technology with digital signal.
Bluetooth-compatible 4.1, easy to match device, stable connection, high transmission speed, and strong applicability.
Intelligent bluetooth-compatible, wireless high-fidelity, suspended micro high-fidelity sound effect.
The music gives you a powerful power. Comfortable and considerate design around the ears to provide you energy whenever you are running, doing fitness or cycling.
Ergonomic designed,not only can isolate the distractions around you, but also can let you wear it without fatigue.

Specifications:
Material:ABS
Color:White/Black
Output power: 32 ohms 45mW
Frequency Response: 200Hz-2000Hz
Sensitivity: 120db±3db
Signal-to-noise ratio: ≥90DB
Distortion: 0.5%
standard: Bluetooth-compatible 4.1+EDR
Power supply: built-in lithium battery 190mAh
When charging: 3 hours
Effective distance: 10 meters
Working hours: more than 10 hours
Standby time: 250 hours
Charging
Size:Approx. 150x165x35 mm/5.9x6.49x1.37 inches

Package Includes:
1x Bluetooth-compatible Headphone

Note:
1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order.
2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.