1. High sound quality, effectively reduce wind noise, high speed can also be clear to answer the phone / intercom 2. Support multi-person intercom, intercom distance up to 1.5km 3. Wireless transmission range: about 1500M 4. Mobile phone call distance: about 50M 5. Bluetooth: 5.1 6. Support Bluetooth protocol: A2DP,AVRCP,HS/HF 7. Battery capacity: 850mAh 8. Interface: Type-C/USB-C 9. Charging time: about 2.5h 10. Working time: about 30h 11. Charging voltage: 5V 12. Speaker diameter: 40mm 13. Frequency range: 2.402GHZ-2.480GHZ 14. Material: ABS/PVC plastic 15. Size: 10.1 x 5.4 x 2.05cm
