Bluedio Bluetooth Headphones Over Ear, Active Noise Cancelling Over-ear headphones F2 Wireless Bluetooth Headsets with Mic (White)

Product Review

T4S
T4S is the superior version of Turbine 4th generation. Details and sound quality are fully upgraded. Adopting all titanized 57mm diaphragm and Bluedio Vector Flow Technology to strengthen the bass. Simply turn on the ANC function, you can stay away from noise and just enjoy music. What's more, it uses TYPE-C three in one interface which is easy to control and supports rapidÂ charging when headphone is in low battery condition, and it's the first time to use the exquisite laser carving process.

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: Î¦57mm
Impedance: 16Î©
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

Bluedio Vector Flow Technology: We have incorporated a vent hole on the back cavity of the 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.

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