Type: Stereo headphone with Mic
Bluetooth version: 4.1
Plug Type: 3.5mm
Driver unit: Diameter: about 40 mm/ 1.57 inches
Scope of work: 10 meters
USB charging cable: AC input 110-240V, DC input 5V 
Talk time: 6 hours 
Standby time: up to 15 hours
Operating frequency: 2.4GHz-2.4835GHz
The output frequency: Class 2
Noise reduction technology: DPS digital signal processor
FM Frequncy: 87.5-108MHz
Bluetooth frequency: 2.401-2.480GHz
Frequency: 50HZ-20KHz
Output power: 35 mW
SNR: 88DB
Charging time: 2 hours

Package Included:
1 x Bluetooth Headset