
PISEN C1 ANC Noise cancelling TWS BHD-TW11
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The PISEN In-Ear Stereo Wired Earphones offer a blend of cutting-edge technology and elegant design to provide a superior audio experience. Designed for music lovers and professionals alike, these earphones combine style with advanced features:
- Light and transparent design showcases the inner workings of the earphones, featuring a suspended transparent compartment and translucent earphone handle with a two-color injection molding process. This design allows you to appreciate the delicate chip and circuit layout.
- ANC active noise reduction technology uses feedforward ANC to reduce external noise by up to 38dB, creating a private music space free from distractions.
- Biofiber diaphragm ensures high-resolution audio with an ultra-thin, high-elastic molecular diaphragm material, a high-tension CCAW coil, and a 10mm large dynamic coil. This combination delivers professional acoustic tuning, especially enhancing vocal clarity.
- 25-hour ultra-long battery life provides extended enjoyment, with just a 15-minute charge offering 2 hours of playback. The comprehensive battery life ensures a full day of use.
- Dual microphone call noise reduction technology, featuring an intelligent noise reduction algorithm and an anti-wind noise system, enhances call clarity with noise reduction depth up to 60dB. The high-sensitivity microphone ensures clear and pleasant conversations.
- Transparent mode allows you to converse freely without removing the earphones.
- 60ms low latency ensures smooth audio and video synchronization for an enhanced gaming experience. Bluetooth V5.3 provides faster and more stable transmission speed.

FAQ
Quick answers. Clear information.Products, compatibility, and warrantySupport you can rely on.
What is PISEN Tech?
PISEN Tech is a global mobile accessory brand known for high-quality charging solutions and smart accessories. With over 20 years of experience, PISEN focuses on safety, innovation, and reliable everyday performance.
Are PISEN products safe to use?
Yes. PISEN products are designed with multiple safety protections, including over-current, over-voltage, over-temperature, and short-circuit protection. Selected products also comply with international and local safety standards.
How can I contact customer support?
You can contact PISEN customer support through the official website or the authorized store where you purchased the product.
You may also reach us via the following channels:
- Phone: +66 84 004 1099
- Email: info@pisentech.co.th
- LINE Official Account: https://line.me/R/ti/p/@346zkaib
Our support team is happy to assist you.
What is the warranty period for PISEN products?
PISEN products are covered by a limited warranty of 1 to 2 years, depending on the product category.
A 1-year warranty applies to accessories such as cables, audio accessories, and batteries.
A 2-year warranty applies to power banks, wall chargers, and wireless chargers.
Warranty coverage is subject to terms and conditions and applies to manufacturing defects under normal use.
Screen protectors are not covered by warranty, as scratches and surface wear are considered normal wear and tear.
