1. Material: zinc alloy, electronic components
2. Bluetooth protocol: 4.1
3. Bluetooth transmission frequency range: 2.4-2.48GHz
4. Power: 3W
5. Frequency response: 100Hz-18Hz
6. Signal to noise ratio: 80dB
7. Built-in battery: 500mAh lithium battery
8. Charging time: 2 hours
9. Playing time: 10 hours
10. IPX5 waterproof level, use with confidence
11. Aluminum alloy metal appearance, using CNC machining technology, feel comfortable and durable
12. Upgraded dual-diaphragm, built-in dual speakers, loud sound
13. With 3D surround bass, enjoy high quality sound
14. With double-click remote shooting function, easy to use
15. Dimensions: 4.8 x 4.8 x 3.85 cm
16. Weight: 137 grams