Wireless Headphone Bluetooth 5.4, 40H Playtime with 3EQ Modes, Bass Boosted 85%, Bluetooth Headphone Over Ear Wireless/Wired, ENC Clear Call, Foldable Over Ear Headphone for Travel/Office/PC Black

About Our Team: IKT is a team dedicated to producing smartwatches, wireless bluetooth headphones, bluetooth speaker and other electronic products. In the 6 years since the brand was founded, we have dedicated ourselves to meeting our customers' needs for smartwatches with a variety of features. We truthfully publicize the quality of our products. We spend most of our time researching and designing stylish products and improving the inner quality of our products. We actively listen to consumer feedback and continuously improve our product quality and service level. In addition, starting from 2022, we have expanded and formed a professional electronic products department, such as bluetooth headphones, bluetooth speaker, power bank, wireless charger, bluetooth tracker tag, and so on. We opened our own supporting production factory with 50+ processes and 86+ test procedures to ensure product quality from the root. As of February 2026, our products have been sold to more than 20 countries, exported to more than 20 countries, and multi-platform sales have allowed us to harvest 3000,000+ loyal fans. We will keep working hard to specialize in the category of electronic products and bring our users a pleasant shopping experience.

• 【85% Bass Boost】Wireless headphones over ear feature built-in 40mm low-distortion composite dynamic drivers with 3-layer composite graphene diaphragms. Utilizing high-resolution decoders, AAC & SBC audio encoding technology, and a unique stereo design. With 24-bit audio resolution, sound frequencies are divided into crisp, bright highs, rich, full mids, and detailed, elastic lows (85% bass enhancement), delivering more sonic detail.
• 【EQ Mode and Listen Attentively】The bluetooth headphones' EQ button allows free switching between the 3 preset EQ settings, and pressing the equalizer button switches between pop mode, bass mode, and vocal mode. To meet the listening requirements of different music styles.
• 【40 Hrs Playtime】Featuring low-power technology, the A9 bluetooth headphones over ear have a built-in 300mAh battery that allows up to 40 hrs of playtime on a single charge, and with a quick charge time of only about 2 hrs, these over ear earbud are perfect for long distance traveling, sports and relaxation. Equipped with a 3.5mm audio jack, the wireless over ear headphones can be easily switched to wired mode when switched off. Music can be played through the AUX cable even when the battery is depleted.
• 【ENC Crystal Clear Calls】Equipped with 4 beamforming micrs and advanced audio signal processing, the bluetooth wireless headphones feature precise voice pickup technology for accurate and crystal-clear voice capture. Utilizing ENC technology, they effectively filter out 90% of background noise, isolating your voice from surrounding sounds for clearer communication—even in noisy environments.
• 【Comfortable Fit Stylish and Lightweight】The headphones wireless over ear is made of high quality materials and the over ear headset weighs only 0.41 lbs. The lightweight headphones over ear fit your head perfectly, and the adjustable headband design allows the headphones to fit 99% of head shapes perfectly. Soft memory protein ear cups mimic the texture of your ear's skin to protect your ears during long term use. The design and comfort of these over ear bluetooth headphones complement each other, making them ideal for music lovers.
• 【Wide Compatibility & Smart Dual-Device Connection】Features advanced Bluetooth 5.4 technology. Compared to Bluetooth 5.3, it delivers 2X the signal transmission speed and 85% greater stability for a seamless experience. Enjoy virtually lag-free video and gaming. These bluetooth over ear headphones are compatible with iOS, Android, and Windows systems. Connect two smart devices simultaneously to our A9 over ear wireless headphones—answer phone calls on your phone without switching while watching movies on your tablet.
• 【Individually Convenient Button Controls】Control your music with the A9 over ear headphones' intuitive buttons. With a single press, you can play/pause music, switch songs, volume+/-, answer/hang up calls and activate the voice assistant. Reduces false-touch operations. This makes it a must have for those who value convenience and control.
• 【Stylish Gifts & Quality Customer Service】This wireless headphones on ear has a fashionable design and rich and practical functions to make your daily life more convenient. Perfect gift for birthdays, anniversaries and special occasions. We are a brand dedicated to providing quality products and excellent customer service. 12 months warranty protects your rights. We encourage you to contact us with any product questions or suggestions, your feedback is vital to us to improve product quality improvement.
• 【You Might Want to Know】
• Question 1: How do I connect my A9 over ear headphones wireless bluetooth to my device?
• First, turn on the over ear earphones. Then enable bluetooth on your device, search for nearby bluetooth devices named “A9,” and tap the “A9” entry to connect.
• Question 2: How can I connect and use the bluetooth earphones over ear on two devices simultaneously?
• Step 1: Pair the wireless earphones over ear with device A first, then turn off bluetooth on device A.
• Step 2: Pair the over ear wireless bluetooth headphones with device B. Then turn on bluetooth on device A. The over the ear bluetooth headphones will automatically reconnect to device A (if the device supports auto-reconnect), or manually reconnect to device A via the over ear headset's controls. The bluetooth over ear headset will now be connected to both device A and device B simultaneously.
• Question 3: How do I switch to wired mode?
• With bluetooth enabled, plug in the 3.5mm audio cable. The device will automatically power off and switch to wired mode.
• If you have any questions, please don't hesitate to contact us for assistance.
• 【More Product Details】
• Bluetooth Name: A9
• Bluetooth Version: Bluetooth 5.4
• Product Type: Foldable bluetooth headphones on ear
• Bluetooth Operating Frequency: 2.402-2.480GHz
• Frequency Response: 20-20kHz
• Supports Dual Pairing: Yes
• Transmission Range: ≥10m
• Charging Case Input Voltage/Current: 5V=1A
• Talk/Music Time: Approx. 7 hrs (varies with volume)
• Total Standby Time: Approx. 40 hrs (varies with volume)
• Battery Type: Lithium Polymer Battery
• Battery Capacity: 300mAh
• Charging Interface: Type-C
• Charging Time: 2 hrs
• Speaker Size: 2*φ40mm 32Ω
• Microphone Sensitivity: -42±2dB
• Speaker Sensitivity: 115dB
• Bluetooth On Ear Headphones Dimensions: 192*164*17mm
• Wireless On Ear Headphones Weight: 189g
• Package Dimensions: 193*66*56mm
• Package + Product Total Weight: 324g
• Compatible Systems: Android & IOS & Windows System
• Supported Bluetooth Protocols: HSP/HFP/A2DP/AVRCP
• Waterproof Rating: IPX7
• Color: Black
• Package Contents: Foldable Headphones*1, USB-C Charging Cable*1, 3.5mm Audio Cable*1, User Manual*1