Low energy consumption and stable Bluetooth 5.3 connectivity. Bluetooth 5.3 chip with up to 10 meters transmission distance in open space, low power consumption, and stable, smooth signal for true wireless freedom. To enable stereo pairing, power on both speakers simultaneously. Then double-click the power button on one speaker to initiate pairing. Once the voice prompt confirms successful connection, both speakers will play audio in sync. The speaker features a high-performance diaphragm and enhanced bass output, delivering a wide soundstage and immersive 360° audio coverage for consistent listening quality from all angles. Built-in microphone supports hands-free calling with clear voice pickup, ideal for online meetings and calls. Compatible with smartphones, tablets, laptops, and other Bluetooth-enabled devices. Bluetooth version: 5.3 Effective range: Up to 10 meters (line-of-sight, unobstructed) Speaker output: 3W Battery capacity: 300mAh Charging interface: USB-C Charging time: Approximately 1.5 hours Playtime: Up to 3 hours at maximum volume (actual duration may vary depending on volume level, audio content, and device used) Color: Silver Material: Aluminum alloy + silicone Package includes: 1 × Speaker 1 × Lanyard 1 × USB-C charging cable 1 × Quick start guide (English) Note: Color appearance may vary slightly due to lighting conditions and screen settings. Dimensions may vary by ±1–3 cm due to measurement method.