Vocalism Principle: Dynamic
Control Button: Yes
Active Noise-Cancellation: No
Communication: Wireless
Volume Control: Yes
Style: Over the Ear
Sensitivity: 102dB
Wireless Type: bluetooth
Is wireless: Yes
Support APP: No
Number Of Drivers: 2
Connectors: USB
Model Number: 8252 bluetooth headphone
Codecs: Apt-X
Support Memory Card: Yes
Driver Diameter: 40mm
Resistance: 32Ω
Waterproof: No
With Microphone: Yes
Bluetooth version: Bluetooth 4.1
Battery capacity: 450mah
Talk time: 6H-8H
Charging time: 3.5H
TF card music playback duration: 6H-8H
Bluetooth standby time: 100H
Type1: wireless bluetooth headset headphones
Type2: bluetooth headphones over ear
Type3: bluetooth headphones wireless
Type4: bluetooth headphones with microphone