Product Name: For Y03 Attachable Glasses Bluetooth Headset Waterproof: IPX4 Material: Plastic Features: ENC noise cancellation, hi-fi quality sound, ultra-long battery life, ultra-low latency, compact design, patented private model Bluetooth chip: Zhongke Bluexun 5756C ultra-low power consumption + ENC noise cancellation Bluetooth Version: 5.3 Protocols Supported: HSP/HFP/A2DP/AVRCP Charging Port: Type-C Input Current: 5V Output Current: 3.7V/70mAh Speaker: 1509 High-quality dynamic drivers Frequency response range: 20Hz-20,000Hz Earphone battery: 80mAh*2 with protective board Music playback: Approximately 8 hours of playback per charge Talk time: 7-8 hours Charging time: 80 minutes Wireless operating range: 15m (unobstructed) Color: Black Earphone dimensions: 68*24*14mm Product weight: 27g Color box dimensions: 8.4*2.6*11cm Packaging weight: 60g Packaging: Boxed Standard contents: 2 earphones + USB-C cable + instruction manual + packaging