Acer OHR623 In-Ear TWS Wireless Bluetooth 5.4 Earbuds Hi-Res Audio ENC Noise Cancelling Headphones with 13mm Dynamic Coil & 20H Battery.

🎧 Hi-Res Audio & Authentic Sound Replication: Certified with Hi-Res Audio, it brings back detailed sound. Equipped with a 13mm large dynamic circle speaker, powerful bass, clear treble, and full mid-range, making you feel as if you are at a live music performance. Adopts DynaHiFi algorithm technology — a titanium layer increases the push force of the dynamic coil, while the high-performance PU dome material absorbs residual vibrations and reduces distortion.🎬 Surround Sound & Immersive Experience: Dual drivers team up to produce sound, making a 3D surround sound field. It feels like you're right there when binging shows or listening to music. The spatial audio enhancement creates a theatrical, multi-dimensional listening experience.🗣️ Clear Call Quality with ENC Noise Reduction: Built-in dual microphones, paired with advanced ENC noise reduction technology, accurately recognize human voices and intelligently filter out background noise. Whether you are in a mall, daily work, or commuting on a subway, enjoy effortless and crystal-clear communication.🔇 Directional Audio & No Sound Leakage: Adopts directional sound transmission technology to focus sound accurately into the ear canal, significantly reducing external sound leakage (-2.5dB lower leakage than the previous model). Enjoy your private audio without disturbing others.☁️ Lightweight & Comfortable Fit: Weighing only 4.0g (0.14oz) per earbud (24g total), the ergonomic design ensures a lightweight, pressure-free fit suitable for long-term wearing. Perfect for daily use, sports, and extended listening sessions.⚡ Bluetooth 5.4 & Open Lid Connection: Built with the upgraded V5.4 flagship chip, it enhances connection stability, improves efficiency, and reduces power consumption. Features 5.4 Flash Connection Technology — automatically pairs and connects immediately upon opening the lid with no manual operation required.🔋 Long Battery Output & Type-C Fast Charging: Up to 4-5 hours of continuous listening on a single full charge, with a total battery of 20 hours when paired with the 250mAh charging case. Includes a 30mAh battery per earbud and supports Type-C fast charging (full charge in ~1 hour).👆 Touch Control, One-Tap Operation: Simply tap the earbuds to switch songs, answer calls, and adjust the volume.Touch once: Play/Pause, Take a callTriple-tap: Next track / Previous trackLong-press for 2 seconds: Voice assistant, Decline a callBrand: ACERModel: OHR623Wireless Version: V5.4Wearing Method: In-EarReceive Distance: ≤10m / 32.81ft (accessible condition)Earphone Capacity: 30mAhSingle Listening to Music: 4-5 HoursWeight of Earphones: 4.0g x 2 (0.14oz x 2)Warehouse Weight: 24g (0.8465oz)Capacity of Electric Cabin Battery: 250mAhCharging Time: Approx. 1 HourFrequency Response Range: 20Hz-10KHzVocal Unit: Φ1.3cm / 0.5118inchCharging Interface: Type-CColors Available: Black / White / Beige / Purple