Instruction: Parse the product information to locate the target attribute, and then provide the extracted value of the target attribute and its source in the output, specifying None if the attribute is not present.

Input:
Product title: Anisell TT-BH02 Wireless Rechargeable Over-the-head Bluetooth Headset Handsfree Headphone with Microphone, Multipoint Support
Product description: 100% Brand New. Item: Bluetooth Headset Color: Black Signal Output: Bluetooth V2.1, Class 2 Talk Time: Up to 13 hours Standby time: Up to 220 hours Profiles: Headset and handsfree Connections: Up to 2 devices simultaneously Data Encryption: 128 bits encrypted Safety Regulation: CE, FCC Multipoint support: 2 Connection Simultaneously Transmission distance: Up to 10M Portable and lightweight. Package Content: 1 x Bluetooth Headset, 1 x USB Charger Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures, but not the same performance on different bodies as on the model. Thank you!
Product feature: Bluetooth v2.1,CRS Blue Core 6, Frequency:2.4GHz-2.4835GHz; Connect two devices simulatanenously, easy to switch each other,but only talk on either device, Talking time: up to 13 hours; Standby time: up to 220 hours. Blocks 4 Times external noise, Noise canceling, crystal clear sound, Over-the-head bluetooth headset is lightweight and very comfortable for wearing,and it easily pairs with your phone, 1 year warranty;Transmission distance: Up to 10M, Package Content: 1 x Bluetooth Headset, 1 x USB Charger
Product brand: Anisell
Target attributes: Style
Answer: attribute: style
value: over-the-head
source: product feature
attribute: style
value: over-the-head
source: product title