Select 4 Go by Anker

Specification Details Brand Anker (Soundcore) Model Soundcore Select 4 Go (A31X1131) Output Power 5 W Playtime Up to ~20 hours Water & Dust Protection IP67 (waterproof & dustproof, floating capable) Connectivity Bluetooth (wireless) Special Features True Wireless Stereo (TWS) pairing Design Compact, lightweight with carry strap Battery Capacity Approx 2400 mAh (3.65 V) – per some region specs