• Bluetooth Version: 5.4 (utilizing a Blue trum 5656C or Jerry AC7003D4 chipset). • Battery Capacity: 300mAh for the charging case; 40mAh for each individual earbud. • Playback Time: Up to 7 hours on a single charge with ANC off (around 6 hours with ANC active). • Total Battery Life: Up to 28+ hours when paired with top-offs from the charging case. • Dimensions & Weight: 61 x 48 x 27mm; total weight is approximately 46.5g. • Material: Built from standard ABS impact-resistant plastic