Feature :
1 . Based on the Bluedio T7 and combined with the user's needs and feedback, produced the Bluedio T7 Plus, has better sound and builds in Micro SD card slot (maximum 32GB),so you only need to insert a Micro SD card loaded with your favourite songs and then you're ready to go.
2 . You can select strong noise reduction (4 Mic, -25dB) or weak noise reduction (2 Mic, 18dB) according to your needs,allowing you to enjoy your audio on the subway, bus, plane, and other noisy situations.
3 . Professional protein Skin-friendly earpads & Metal headband, so durability and comfort wasn't an issue. 90° swiveling earcups, Can be placed flat in the trunk, easy to carry .
4 . Dual 57mm Large-aperture drivers & Bluetooth 5.0 provide faster transmission speed, lower latency and better audio output. VFT Vector Flow Technology with low-pitch compensation brings deep powerful bass.
5 . Built-in battery provides up to 30 hours of music time or talk time. Don't need to worry the power shortage problem on the long travel. Bluedio T7 plus becomes a wired headset by using the included audio cable.

Detail :
Bluetooth Versions : V 5.0
Standby time : about 1000 hours
Music time : about 7 hours
Talk time : about 7 hours
Charging time : about 1 hours for headphones and 2.5 hours for charging boxes
Frequency range : 2.4GHz to 2.48GHz
Supported profiles : A2DP ,AVRCP ,HSP ,HFP
Frequency response range : 20HZ-15KHZ
lnput Voltage /current : 5V/>100mA
Output Power : 7mW+7mW

Include :
1 x Headphones
1 x 3.5mm turn TYPE-C audio cable1 x USB TYPE-C charging cable