Advanced Noise Cancellation: Enjoy the benefits of ENC (Environmental Noise Cancellation) technology with these wireless Bluetooth earphones Digital Display Charging Case: The 300mAh charging case features a digital display, making it easy to monitor your earphones' battery status Robust Waterproof Design: With an IPX6 rating, these earphones are built to withstand water and sweat, making them perfect for active lifestyles High-Fidelity Stereo Sound: Experience superior audio quality and immersive stereo sound for your music and calls Convenient and Stylish: Elevate your listening experience with Awei T86, offering noise cancellation, a digital display charging case, and IPX6 waterproofing, all in a sleek and stylish? Specifications: Bluetooth Version: JL 6976D4 V5.3 Supported Protocols: HSP, HFP, A2DP, AVRCP Earphone Battery Capacity: 35mAh x 2 Charging Case Battery Capacity: 300mAh (with protection board) Driver Unit: φ13mm Charging Time: 1.5 hours Talk Time: 7 hours Playback Time: 5 hours Playtime with Charging Case: 20 hours Standby Time: 300 hours Speaker Sensitivity: 117.1±3dB Speaker Impedance: 16Ω Input Charging Standard: DC 5V Bluetooth Operating Frequency: 2.402G-2.480G Frequency Response Range: 20Hz-20000Hz Maximum Transmission Distance: 10 meters Voice Prompts: Supported Multi-Device Pairing: Not supported Wearing Style: In-ear? Interface: Type-C Water Resistance Rating: IPX6 (for earphones only, charging case not waterproof) ENC Noise Cancellation Depth (4-mic call noise reduction): >-40dB