🔊 Surprisingly Loud 5W Output:​ Don't let the compact 7.1×6.3×4.8cm size fool you. The 45mm full-range driver​ pumps out 5W of clear, room-filling sound with impressive volume for its footprint. Perfect for personal listening or small gatherings.🔗 TWS Auto-Stereo Pairing:​ Turn two speakers into a true stereo system! Simply power on two WS-302 units and they automatically interconnect​ via TWS—no manual pairing hassles. Left/right channel separation delivers an immersive audio experience for movies, music, and outdoor fun.🔋 500mAh Battery with 3-Hour Playtime:​ Built-in 14500 lithium cell (500mAh) provides up to 3 hours of continuous music playback. USB 5V charging via included cable. At only 81g, it's the lightest concert in your pocket. 📱 Bluetooth 5.0 + 10M Range:​ Powered by Zhongke Lanxun chipset with Bluetooth 5.0​ for fast, stable connection up to 10 meters. Compatible with iPhone, Android, tablets, laptops. Switchable Chinese/English voice prompts. 🎨 5 Vibrant Colors & Bulk Ready:​ Available in Black, White, Blue, Green, Pink​ to match any brand or occasion. 200 PCS per carton​ (61×41×36cm, GW 31kg)—ideal for corporate gifts, event giveaways, hotel amenities, or wholesale resale.