Bluedio T4S Active Noise Cancelling Bluetooth Headphones Over Ear Mic, 57mm Driver Swiveling Wireless Headset, Wired Wireless Headphones Cell Phone/TV/ PC Gift (White)

NOTE: Original Bluedio T4S Plus Turbine Headphones sold by” Bluedio”. In order to guarantee your rights, please buy genuine Bluedio headphones.

T4S troubleshooting steps
Please try to reset the headphone: Power on the headphones.Charge the headphones for 10 seconds or so, the headphones would power off on their own(you can see the LED goes out), unplug the cable.Power on the headphones again.And remove the pairing memory of your device,then pair again.

Specifications
Bluetooth version: 4.2
Bluetooth operating range: up to 33 feet (free space)
Bluetooth transmission frequency: 2.4GHz to 2.48GHz
Bluetooth profiles: A2DP, AVRCP, HSP, HFP
Audio resolution: 24bit@48KHz
Drivers: ?57mm
Impedance: 16?
Frequency response: 15Hz-25,000Hz
Sound Pressure Level (SPL): 116dB
Standby time: about 650 hours
Bluetooth music/talk time: about 16 hours
Music/talk time under ANC: 16 hours
Pure ANC time: 16 hours
Charging time: 1.5 hours for full charge
Operating temperature range: -10? to 50? only
Charging voltage/current: 5V/>500mA
Output power: 25mw+25mw
Headphones dimensions: 188*90*208mm
Package dimensions: 207*240*68mm
Headphones weight: 334g
Package weight: 936g

In the box
T4S headphone
3.5mm turn TYPE-C audio cable
USB TYPE-C charging cable
Flocking bag
User manual

• NOTE: Original Bluedio T4S Plus Turbine Headphones sold by” Bluedio”. In order to guarantee your rights, please buy genuine Bluedio headphones.?Bluedio Vector Flow Technology?We have incorporated a vent hole on the back cavity of the Bluedio T4S headphone which can exhaust gas and equalize air pressure on both sides of the headphone cavity. This enhances sound quality and allows the headphone to create deep and powerful bass sound reproduction.
• ?ANC Technology?Active Noise Cancelling technology cuts off surround noise significantly and lets you enjoy your music in its pure form. The ANC technology works in tandem with the 57mm drivers, so you can enjoy the immersive experience of listening a top notch music sound stage. You can always count on T4S headphones for crisp,vivid highs.
• ?TYPE-C Three in One Interface?Turbine 4th generation uses TYPE-C three in one interface which supports charging and data transmitting. It can be plugged in both sides, so it’s very easy to use.
• ?Durability?In accordance with Bluedio’s no-compromise on quality approach, the headphone is built with premium materials and high quality Polymers with chrome finish. All hinges, frames and sliders reflect high quality build. T4S is a durable headphone that will last for years.
• ?Rotating Cup Design and Flat Folding Mechanism?To protect your ears, T4S comes with over-ear muffs and a rotating ear cup design for better fit. These headphones can be folded flat so they can accompany you on flights and long journeys without the worry of breaking.