1. One touch control, simple operation 2. Dual channel connection, free switching between master and slave 3. Semi-in-ear design, stable to wear 4. Mobile phone, tablet, computer with Bluetooth function can be used 5. Light weight and easy to carry
specification 1. Bluetooth receiving distance: 10m 2. Battery capacity: 55mAh x2, charging compartment capacity: 300mAh 3. Use time: about 8 hours 4. Standby time: 200h 5. Speaker frequency range: 20Hz-20KHz 6. Speaker size: 10mm