Cillso H97 Wireless Earbuds Bluetooth 5.4 40H Playback

Cillso H97 wireless earbuds are compact Bluetooth 5.4 in-ear headphones that deliver deep bass, clear ENC calls, up to 40 hours of total playback, and IP7 sweat protection.

These ultralight earbuds pair automatically with a fast-response Hall switch and feature a Type-C LED charging case that shows battery levels. The H97 prioritizes long battery life and reliable wireless range while using a 14.2mm driver for room-filling low end and a four-microphone setup with Environmental Noise Cancellation for clearer phone conversations.

How quickly and reliably do these earbuds connect?

Thanks to the updated Bluetooth 5.4 chipset and a high-sensitivity antenna, pairing is nearly instantaneous when you open the case, and the signal maintains stability within about 15 meters. Latency is reduced for gaming and video, so audio stays closely synchronized with visuals.

• Bluetooth 5.4 with ultra-low latency for smoother audio sync
• Auto-pairing via Hall switch when case opens
• Up to 15 m stable wireless range in typical environments

What audio quality and call performance can I expect?

Each earbud uses a 14.2mm diaphragm to reproduce a wide frequency range from deep bass to clear treble, delivering a full, dynamic soundstage. For calls, the ENC algorithm reduces background noise so callers hear you more clearly in busy settings like streets or gyms.

• 14.2mm drivers for extended bass down to 20Hz and highs to 20kHz
• 4-microphone array with ENC to reduce environmental noise by a large margin
• Optimized for music, podcasts, and voice calls without extra hardware

How long does the battery last and how fast does it charge?

The earbuds provide around 8 hours of playback on a single charge, and the included LED-display charging case extends that to roughly 40 hours total. Rapid Type-C charging fully replenishes the case and buds quickly, making them travel-ready for long days away from an outlet.

• 8 hours per single earbud charge, 40 hours with charging case
• Smart LED battery display on the case for instant power status checks
• Type-C fast recharge—full charge in about 1.5 hours

Are these comfortable and durable enough for workouts?

The H97 earbuds are designed for extended wear with an ergonomic airflow structure that reduces ear-canal pressure; each bud weighs just 4 grams for a barely-there fit. An IP7 nano-coating protects against sweat, splashes, and rain, and a magnetic case closure keeps them secure in a gym bag.

• Zero-pressure ergonomic design for comfortable all-day use
• Lightweight 4 g earbuds that minimize fatigue
• IP7 waterproof rating and magnetic case closure for active use

Who is this for: The Cillso H97 suits commuters, remote workers, casual gamers, and fitness enthusiasts who want strong bass, long battery life, dependable hands-free calling, and a secure, comfortable fit. If you need a compact, feature-rich pair of earbuds that balance sound quality with daylong battery performance and water resistance, these are a solid choice.