**Product Specifications:**

**Brand:** Viken

**Model:** TO91

**New Upgraded Version:** Viken S8

**Release Year:** 2025

**Features:**

- Enhanced sound quality

- Upgraded noise cancellation technology

- Improved overall user experience

**Design:**

- Parabolic reflection structure for noise reduction

- Windproof mesh design with anti-wind noise algorithm

- Ergonomic and lightweight design for comfortable wear

**Noise Cancellation:**

- Dual-core noise cancellation technology

- Wide noise reduction frequency range: 10-40kHz

- 80% noise reduction, 98dB

**Microphone Technology:**

- Eight-microphone array with AI noise reduction for crystal clear calls

- Feedback and feedforward microphones for comprehensive noise reduction

**Connectivity:**

- Bluetooth 5.4 chip for fast and stable connection

- Ultra-low latency of 32ms for seamless audio-video synchronization

**Battery Life:**

- Up to 85 hours of playtime with charging case

- Quick charge: 10 minutes for 2 hours of playback

**Water and Dust Resistance:**

- IPX5-rated for water and dust resistance

- Three-layer mesh structure to prevent water ingress

**Accessories:**

- Three sets of antibacterial ear tips for a secure and comfortable fit

**Certifications:**

- MA certified for quality assurance

**Additional Features:**

- Custom-tuned by Grammy-winning sound engineers for high-fidelity audio

- THD curve for accurate sound reproduction

**Weight:**

- Single earbud weight: 3g

Viken S8 Bluetooth earphones offer an immersive listening experience with advanced noise cancellation, ergonomic design, long battery life, and high-quality sound output. Ideal for both work and leisure, these earphones provide a seamless audio experience in any environment.