Short Description: Model Name: JR D8 Wearing Method: Semi-in-ear Bluetooth Version: V5.4 Bluetooth Audio Decoding: AAC, SBC Supported Protocols: HSP, HFP, A2DP, AVRCP Working Frequency: 2402-2480KHz Frequency Response Range: 20Hz-20KHz Battery Capacity: 170mAh Speaker Impedance: 32Ω Rated Power: 2*3mW Driver Unit: Φ14.2mm Music Time: Up to 30 hours (at 70% volume) Talk Time: Approximately 24 hours (at 70% volume) Standby Time: Around 80 hours (in connected state) Charging Input: 5V/1A Charging Port: Type-C Charging Time: 2 hours Waterproof Level: IP54 Product Material: ABS+PC Headphone Weight: 20g Product Description: Powerful Dynamic Driver: Equipped with a φ14.2mm dynamic driver featuring PU composite diaphragm technology, delivering deep bass and crystal-clear sound for a rich audio experience. Extended Battery Life: Offers up to 30 hours of music playback on a single charge, ensuring uninterrupted listening for days. Dual Device Connection: Supports intelligent dual-device connectivity, allowing seamless switching between two Bluetooth devices for enhanced multitasking. Low Latency Technology: Features 60ms low latency for perfectly synchronized audio and video, providing a smooth and immersive experience. AI Call Enhancement: Integrated AI algorithms ensure superior call quality by enhancing voice clarity during conversations. Magnetic Design: Built-in magnets enable secure attachment of earbuds, making them convenient to carry and wear. IP54 Water Resistance: Rated IP54 for resistance against water and sweat, making it ideal for workouts and outdoor activities. Bluetooth 5.4: Incorporates Bluetooth 5.4 technology for stronger signal stability, reduced power consumption, and efficient connectivity. What’s in the box: 1 x Neck-Mounted Headphone, 1 x Charging Cable, 1 x English and Chinese User Manual Weight: 0.4 SKU: 250116140116