Driver Size: 10 Mm Dynamic Drivers (Each Earbud) — Delivering Punchy Bass And Full-range Audio. Bluetooth Version: Bluetooth 5.3 — Efficient, Stable And Modern Wireless Connectivity. Total Playback Time: Upto 50 Hours (With Charging Case) — Good For Long Usage Without Frequent Charging. Battery Capacity: 470 Mah For The Case; 40 Mah Per Earbud Fast Charging (Asap Charge): Just 10 Minutes Of Charge Gives ~150 Minutes (≈ 2.5 Hours) Of Playback — Handy When You’re In A Hurry. Charging Time (Full): ~1.5 Hours For The Case; ~30 Minutes For The Earbuds. Latency / Gaming Mode: Beast™ Mode — About 50 Ms Low Latency For Gaming Or Video Streaming With Minimal Lag. Call Quality: Dual Microphones With Enx™ Noise-reduction Technology, Helping Reduce Background Noise For Clearer Calls. Frequency Response: 20 Hz – 20 Khz, Covering The Full Range Of Human Hearing For Balanced Sound. Water / Sweat Resistance: Ipx4 Rated — Safe Against Sweat And Light Splashes, Useful For Workouts Or Commute. Insta Wake ’n’ Pair (Iwp): Auto-pairing — Open The Case And The Earbuds Automatically Connect To Your Last Used Device. Touch Controls: Easily Play/pause Music, Skip Tracks, Answer Calls Or Use Voice Assistant — Without Touching Your Phone. ⚡Specifications Brand: boAt Model Name: Airdopes Plus 311 Color: Carcoal Black, Midnight Blue, Crimson Red, Ash Grey  Type: True Wireless Stereo (Tws) In-ear Earbuds. Bluetooth Version: Bluetooth V5.3. Drivers: Dual Dynamic Drivers, 10 Mm Each. Frequency Response: 20 Hz – 20 Khz. Water / Sweat Resistance: Ipx4 Splash / Sweat Resistant Playback Time (Total): Upto 50 Hours (With Charging Case). Battery Capacity (Case): 470 Mah (Charging Case). Charging Time: ~1.5 Hours For The Case; ~30 Minutes For Earbuds. Fast Charging (Asap Charge): 10 Minutes Charge ≈ 150 Minutes (~2.5 Hours) Playback. Latency / Gaming Mode: Beast™ Mode — ~50 Ms Low Latency For Gaming/video Sync. Wireless Range: Upto ~10 Meters Transmission Range. Microphones: Dual Microphones With Enx™ Environmental Noise-reduction Tech (For Clear Calls). Controls: Touch Controls For Music Playback, Call Handling, And Voice Assistant Activation. Warranty: 1 Year