1. Wireless Bluetooth 5.1, eliminating the need for wire constraints, faster connection and more stable transmission 2. Excellent sound quality, deep bass and clear treble, natural and transparent, presenting a three-dimensional and clear sound 3. Retro and elegant design, bold and bright color matching, stylish and beautiful 4. Built-in large-capacity lithium battery, which can be used for about 12 hours under the charging box 5. Lightweight and exquisite, small in size, easy to carry 6. Ergonomic design, comfortable to wear 7. Battery capacity: 300mah 8. Standby time: 45 hours 9. Playing time: 3.5 hours 10. Charging time: 2 hours
