These earbuds feature Bluetooth 5.0-5.4 for stable connections up to 33 feet. They provide up to 8 hours of playtime per charge, with an additional 24 hours from the charging case. They have an IPX6 waterproof rating, suitable for various conditions. Price drops from $19.99 to just $4.99. Shipping is free with Amazon Prime or is otherwise a flat $6 per order.