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: Bluetooth headphones, Wireless Ergonomic Earhook Design headset for sports&Running, Stereo Earphones with build-in Microphone Sweatproof and Noise Chancelling, Bluetooth 4.1 for smartphones (4)
Product description: Overview: This Wireless Bluetooth Sport Earphone with stylish and user-friendly design is perfect for use in sport/running/exercise. Features: Bluetooth 4.1 version, for non-skip listening/calling within 10 meters.(Theoretically 10 meters, but it may be shorter than that depending on Bluetooth signals strength) Bluetooth Profile: HFP1.6, HSP1.2, AVRCP 1.4, A2DP 1.2 High-fidelity sound with CVC 6.0 intelligent noise reduction. Fashion and cool earhook design, stable & sweet-proof. Flat noodle styled cable, avoiding winding/knotting. Built-in battery: 3-5 hours playing time, 100 hours standby, 1-2 hours charging. Universally compatible with most Bluetooth-enabled smartphones. Light Weight: Does not cause any burden to the ears, thus providing lasting wearing comfort,match your active lifestyle like running,jogging,cycling,driving,camping,hiking gym exercise and other outdoor sports. Welcome to buy from SUFUM (Approved Brand)! For any questions, please feel free to contact us!
Product feature: Bluetooth 4.1 version: Easy and fast pairing with smartphones, tablets and other Bluetooth enabled music devices., Ergonomic Earhook design and intelligent noise reduction make it stable & comfortable for use in sports/running/gym/exercise and other outdoor activities;With Ergonomic design and silicone ear hooks, Magicbuds Bluetooth Headphones are secure behind your ears and rest comfortably in the ear canal. Premium soft smooth silicone gel surface helps sweat proof. It is great for Gym, Running, Jogging, Hiking, Cycling, and impact Sports., Build-in Microphones Sweatproof you can enjoy music & calling/answering phones hands free., Built-in battery allows about 3 hours calculating conversation and playing time, and 100 hours standby and only 1-2 hours charging time, RF Rang :10meters. And it is universally compatible with most Bluetooth-enabled smart phones
Product brand: SUFUM
Target attributes: Connectivity
Answer: attribute: connectivity
value: bluetooth headphones
source: product title
attribute: connectivity
value: wireless
source: product title
attribute: connectivity
value: bluetooth
source: product feature
attribute: connectivity
value: bluetooth
source: product title
attribute: connectivity
value: bluetooth
source: product description