WEKOME Beluga D16 Spiritful Island Desktop Bluetooth Speaker With Dual Microphones 1. Using Bluetooth 5.3 version, low power consumption and low latency, supporting LE AUDIOA Bluetooth technology 2. Equipped with 2 microphones, 4 voice changes, built-in microphone reverberation, sound correction, noise suppression, anti-howling and other sound card algorithms, effectively improving noise, howling, out-of-tune and other problems 3. 360-degree surround sound, bringing a more atmospheric listening experience 4. Built-in 3600mAh large-capacity lithium battery, long-lasting battery life 5. Support Micro SD, USB, Line in input, support one-click TWS connection, strong sound effect Parameters 1. Bluetooth version: V5.3 2. Charging method: Type-C 3. Battery capacity: 3600mAh 4. Play time: about 8-10H 5. Standby time: 140H 6. Charging time: about 4-5H 7. Rated power: 40W 8. Drive unit: 57mm 9. Input: DC 5V 2A 10. Impedance: 4 ohms 11. Frequency range: 60HZ-20000HZ 12. Material: ABS+cloth mesh 13. Weight: about 2.05kg 14. Size: 210 x 240mm