SPECS Part Number: AS800 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: 105±3...
SPECS Part number: AS650 Battery: Rechargeable lithium ion Speaker type: Rechargeable lithium ion Continuous play: Up to 6 hours Frequency response: 20Hz~20KHz Standby time: Up to 20 days Sensitivity: 100...