Soundcore By Anker A30i Noise Cancelling Earbuds

On-the-Go Design: Featuring a chic lipstick-shaped case that’s all about making a statement, soundcore A30i makes style and comfort a priority. Tiny, lightweight earbuds are ergonomically designed for an optimal fit, while feeling virtually weightless.
Strong and Smart Noise Cancelling: soundcore A30i noise canclling earbuds block out noise up to 46dB. Using adaptive algorithms, A30i detects external sound and smartly auto-adjusts to a suitable level of noise cancelling perfect for you.
Clear Sound with 3D Surround Sound Effect: soundcore A30i features composite diaphragms so you can enjoy clear and well-balanced sound. Access the soundcore app to activate the 3D surround sound effect for a more immersive audio experience.
AI-Enhanced Clear Calls: Experience clear calls anywhere you go with 4 mics built into the wireless earbuds, alongside an AI algorithm trained to pick up your voice with precision.
Easy to Use: Enjoy a simple and stable connection with Bluetooth 5.4. Multipoint connection lets you connect with your laptop and your phone, easily switching between them. Use a single earbud whenever the situation demands it.
All-Day Play: Enjoy 7 hours of listening from a single charge—conveniently extending to 24 hours with the charging case.

The Soundcore A30i (Model A3958) from the manufacturer's documentation:
Audio & Acoustics
• Driver Size: 6mm composite dynamic drivers.
• Frequency Response: 20 Hz – 20 kHz.
• Impedance: 16 Ω.
• Audio Features: 3D Surround Sound Effect, BassUp Technology, 22 Preset EQs.
• Noise Cancellation: Smart Adaptive Active Noise Cancellation (ANC) up to 46dB depth, Transparency Mode, Normal Mode, and dedicated Wind Noise Reduction.
Connectivity & Controls
• Bluetooth Version: Bluetooth 5.4.
• Wireless Range: Up to 10 meters (approx. 33 feet).
• Multipoint Connection: Yes (Dual Connections support via the Soundcore App).
• Microphones: 4-Microphone array (2 per earbud) integrated with an AI-enhanced call noise reduction algorithm.
• Touch Controls: Customizable tap functions (supports single tap, double tap, triple tap, and 2-second hold).
Power & Battery
• Charging Case Input Power: 5V ⎓ 0.46A.
• Earbud Output Power: 5V ⎓ 0.2A (0.1A per port).
• Case Battery Capacity: 310mAh / 1.147Wh.
• Playtime (ANC Off): Up to 7 hours single charge / 24 hours total with case.
• Playtime (ANC On): Up to 5 hours single charge / 18 hours total with case.
• Earbud Full Charge Time: ~1 hour.
• Case Full Charge Time: ~2 hours via USB-C.
• Fast Charge Support: 10 minutes of charging provides up to 2 hours of playback.
• Wireless Charging: Not supported.
Physical Design & Durability
• Earbud Weight: 3.7g per bud.
• Water/Dust Resistance: IP54 Certified (Sweat, splash, and dust resistant).
• Case Form Factor: Vertical sliding cylindrical "lipstick" style magnetic case.
• In-Box Contents: Earbuds, lipstick charging case, USB-C charging cable, and 3 pairs of silicone ear tips