YYK520 Second Generation Single Business Ear Hanging Ear Noise Reduction Bluetooth Headset, model C7Y9, offers 810 hours of battery life and reliable wireless connectivity for business use. Key benefits Hands communication with clear audio thanks to built in noise reduction Secure single ear wearing with an ear hanging design for comfortable all day use Long battery life of 810 hours per charge supports full day operations Easy Bluetooth pairing with compatible devices for flexible work setups Key attributes Brand and model: YYK520 Second Generation, C7Y9 variant Design: Single ear, ear hanging (ear hook) style Connectivity: Bluetooth Battery life: 810 hours Function: Noise reduction Compatibility: Works with Bluetooth enabled phones, tablets, and laptops Build: Durable construction suitable for daily business use Use cases Office or remote work calls with a smartphone, tablet, or laptop Field sales or customer service interactions on the go Remote meetings or conference calls via Bluetooth connected devices How it helps Reduces ambient noise to improve call clarity in busy environments Provides a comfortable, secure fit for extended wear during business activities Enables wireless communication without tying up hands or cables Notes This description reflects the YYK520 Second Generation single ear headset with C7Y9 variant and its listed features: Bluetooth connectivity, 810 hour battery life, and noise reduction.