TREBLAB HD77 - Portable Bluetooth Speaker - 30W Stereo, 20H Battery, Waterproof. TREBLAB X4 Wireless Earbuds with Earhooks – 253H Battery, ENC Mic, Bluetooth 5.4. TREBLAB X-Open Earbuds;. USB-C and wireless charging (5W) keep your open earbuds wireless Bluetooth powered with ease.