OPENRUN PROSPECS Part Number: AS810 Battery: lithium polymer battery Speaker type: Bone conduction transducer Continuous playback: Up to 8 hours Frequency response: 20Hz~20KHz Standby time: Up to 10 days Sensitivity: 1053 decibels Charging time: 2 hours Microphone: 38dB 3dB Weight: 26 grams Compatible configuration files: A2DP, AVRCP, HSP, HFP Guarantee: 2 years Maximum charging voltage: 5. 25 volts Sweat resistance: IP553 Speaker impedance: 8. 5 mm 20% Battery

Frequency response:

20Hz~20KHz

Up to 10 days

105±3 decibels

Microphone:

Sweat resistance: IP553

5 mm ± 20%

Battery capacity:

145 mAh Wireless range:

2402MHz~2480MHz Bluetooth version Bluetooth ® 5

Part Number: AS803 Battery:

Sweat resistance: IP67