FEATURES:
HiFi Sound Quality: Experience immersive, concert-like surround sound with full-range audio from a large 42mm speaker, making every song feel alive wherever you are.
Wireless Stereo Pairing: Connect two speakers for powerful surround sound, creating a theater-like audio experience that immerses you in deeper, richer soundscapes.
Hands-Free Calling: Built-in high-definition noise-canceling microphone lets you take clear voice calls without holding your phone, keeping your hands free for other tasks.
IPX6 Waterproof: Fear no rain or sweat thanks to the fully-enclosed mesh cover, allowing you to enjoy your music worry-free in any weather or during intense activities.
Ultra-Portable Design: Compact and lightweight with a fixed braided lanyard, easily hang it on your backpack for hassle-free music on the go, making it your ideal travel companion.
All-Day Battery Life: Enjoy uninterrupted music from morning to night with a robust 1800mAh battery, perfect for long trips and outdoor adventures without constant recharging.
Specifications：
Bluetooth version: 5.0
Transmission distance: about 10m
Battery life: about 8H
Charging interface: Type-C
Charging time: about 2-3H
Standby time: about 30 days
Frequency response: 20Hz-20KHz
Battery capacity: 1800mAh
Size: 136x101x49mm
Weight: 220g
Function: support Bluetooth / TF card / TWS interconnection
Material: Durable plastic housing with fully-enclosed waterproof mesh grille
Waterproof Rating: IPX6
HiFi Sound Quality: Experience immersive, concert-like surround sound with full-range audio from a large 42mm speaker, making every song feel alive wherever you are.
Wireless Stereo Pairing: Connect two speakers for powerful surround sound, creating a theater-like audio experience that immerses you in deeper, richer soundscapes.
Hands-Free Calling: Built-in high-definition noise-canceling microphone lets you take clear voice calls without holding your phone, keeping your hands free for other tasks.
IPX6 Waterproof: Fear no rain or sweat thanks to the fully-enclosed mesh cover, allowing you to enjoy your music worry-free in any weather or during intense activities.
Ultra-Portable Design: Compact and lightweight with a fixed braided lanyard, easily hang it on your backpack for hassle-free music on the go, making it your ideal travel companion.
All-Day Battery Life: Enjoy uninterrupted music from morning to night with a robust 1800mAh battery, perfect for long trips and outdoor adventures without constant recharging.
Bluetooth version: 5.0
Transmission distance: about 10m
Battery life: about 8H
Charging interface: Type-C
Charging time: about 2-3H
Standby time: about 30 days
Frequency response: 20Hz-20KHz
Battery capacity: 1800mAh
Size: 136x101x49mm
Weight: 220g
Function: support Bluetooth / TF card / TWS interconnection
Material: Durable plastic housing with fully-enclosed waterproof mesh grille
Waterproof Rating: IPX6
Questions&Answers：
Q: How is the sound quality for a speaker of this size?
A: Despite its compact design, the speaker delivers impressively rich and full sound. The 42mm large driver produces clear highs, detailed mids, and a surprising amount of bass, creating a well-rounded and immersive listening experience perfect for both indoor and outdoor use.
Q: What does IPX6 waterproof rating mean for real-world use?
A: An IPX6 rating means the speaker is protected against powerful water jets. It can easily handle heavy rain, splashes by the pool, or sweat during a workout. However, it is not designed to be submerged in water, so please avoid dropping it into a pool or lake.
Q: Can I really connect two of these speakers together for louder sound?
A: Yes, absolutely. The wireless stereo pairing feature allows you to connect two S77 speakers to the same audio source, creating a wider left-right stereo soundstage for a more powerful and cinematic audio experience.
Q: How reliable is the Bluetooth connection? Does it cut out often?
A: With Bluetooth 5.2 technology, the connection is very stable and energy-efficient. It maintains a strong, clear signal for up to 10 meters (about 33 feet) through walls, and is specifically designed for minimal dropouts or interruptions during playback or calls.
Q: How do I use it for hands-free phone calls?
A: Simply pair it with your smartphone. When a call comes in, you can answer and speak directly through the speaker. Its built-in noise-cancelling microphone picks up your voice clearly while minimizing background noise, allowing for convenient, hands-free conversations.
Q: Is it truly portable and easy to carry around?
A: Yes, its compact size, lightweight design (only 220g), and the included durable braided lanyard make it exceptionally portable. You can easily hang it on a backpack, belt loop, or just carry it in your hand without any hassle.