Bluetooth® version:

Standby time: Up to 10 days Wireless range: 33 ft (10m)

2402MHz~2480MHz Bluetooth version Bluetooth ® 5

33 feet (10m) Maximum RF output power 0 decibel Frequency band:

OPENRUN (Refurbished) OPENRUN Bluetooth® version:SPECS Part Number: AS803 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: IP67 Speaker impedance: 8. 5 mm 20% Battery