Product Name:For A89TWS Bluetooth Earphones Bluetooth Version: 5.4 Charging Time: Approx. 1.5 hours Communication Distance: 10 meters Charging Case Recharge Capacity: Approx. 4 times Sensitivity: 105dB +3dB Music Time: Approx. 5 hours (70% volume) Speaker Size: ∮ 10mm Battery: Earphones 35mAh, Charging Case 250mAh Speaker Impedance: 32Ω Features: 1. Hardcore Performance, Imperceptible Latency Professional hardcore gaming chip, ultra-low latency for easy audio-visual synchronization, allowing for faster sound positioning and dominating the game. 2. Newly Upgraded Hardcore 5.4 Chip Newly upgraded nano-level Bluetooth 5.4, enhancing sound quality, dual-ear direct connection, smoother transmission speed, stronger anti-interference capabilities, longer battery life, lower latency, and more hardcore performance. 3. Immersive Panoramic Surround Sound Effect Breaking through acoustic imagination. Innovatively employing panoramic 3D sound field technology, it presents a more immersive sound effect with a greater sense of presence, making it your mobile private cinema and a portable live performance. 4. Enhanced Call Quality for Clear and Smooth Conversations Utilizing a new ENC dual-microphone noise reduction algorithm, noise cancellation is more thorough, allowing for quiet conversations even in noisy environments like subways or streets, free from interference. 5. Hi-Fi Experience Recreated in Your Ears Details create realism; the built-in sound field reconstruction algorithm is precisely tuned, creating a professional-grade spatial immersive experience. 6. IPX5 Waterproof Whether it's cloudy or rainy, running or exercising, it can accompany you. Colors: White/Gray, White/Blue, Black Product Dimensions: Earphones 22*24*33mm, Earphone Case 54*54*30mm Packaging Dimensions: 11*9*4cm Packaging Weight: 90g Packaging List: 1pcs