Noise Cancelling Wireless Headphones Bluetooth 4.2 Earphone Headset with Mic Hot

Latest Bluetooth v4.2 Wireless Earphone

Slim andamp; Compact Size, Comfortable Wearing

Multi-function Built-in, Practical Usage

Dedicated Buttons, Touch andamp; Control

Keep Two Phones Connected At The Same Time

Foldable Arms, Easy to Store In Backpack

AUX Line-In Mode Supported

Micro SD (TF) Card Mode Supported

describe:

• Bluetooth Solution: V4.2+EDR
• Voltage: DC5V
• FM Frequency: 87.5-108MHz
• Bluetooth Frequency: 2.401-2.480GHz
• Bluetooth Distance: 10 meters
• Frequency Response: 50HZ-20KHz
• Output Power: 35mW
• Signal to Noise Ratio: 88Db
• Charging Time: 2 hours
• Frequency Range: 20KHz-20000KHz
• Sensitivity: 90dB/mW
• Impedance: 32andOmega;
• Drive unit: 40mm
• Working Time: 5~6 hours
• Transmission Distance: 10 meters
• Battery Capacity: 250mA
• Transmission Frequency: 2402MHz-2480MHz
• Driver unit: 40mm diameter
• Talk time 6 hours
• Standby time: up to 15 hours
• Noise reduction technology: DPS digital signal processor
• 1 x P47 Wireless Headset
• 1 x AUX Cable
• 1 x Charging Cable
• 1 x User Manual
• (does not include other things in the picture)