Highlights Advanced Bluetooth 5.3 Technology: Enjoy stable and high-speed wireless connectivity with the latest Bluetooth 5.3 standard. Extended Battery Life: Provides up to 5.5 hours of playtime and 4 hours of call time, with an impressive 200 hours of standby time. Comfortable Semi-In-Ear Design: Features a semi-in-ear fit for comfort during prolonged use, complemented by a 13mm driver for rich sound quality. Waterproof & Durable: With an IPX6 waterproof rating, these earbuds are perfect for sports and outdoor activities, resistant to sweat and water. Overview Bluetooth Version: 5.3 Supported Protocols: HSP, HFP, A2DP, AVRCP Earbud Battery Capacity: 35mAh*2 Charging Case Battery Capacity: 230mAh Charging Time: 1 hour Call Time: 4 hours Play Time: 5.5 hours Standby Time: 200 hours Horn Diameter: 13mm Sensitivity: 104dBm Impedance: 16Ω Maximum Transmission Distance: 10m Voice Prompt: Yes Wearing Method: Semi-In-Ear Size: 53.76 * 47.33 * 25.42mm Interface: Type-C Specifications Charging Type Type-C Battery Size 300 mAh Colour Name Black Connection Type USB Type C Average Battery Life 6 Hours Earplug Type Earbuds Feature Wireless Features Active Noise Cancellation, Bluetooth, Fast-Charging, Ergonomic, Lightweight Model Number 1130900018 Model Name T87