Bluetooth wireless Earphone TS-BE02 Features: 1. Bluetooth V1.2 compliant, CSR solution 2. One-key operation to easy control and useing 3. Switch microphone between mute and talk at will. 4. Adjustable soft hook for comfortable wearing for left&right ear. 5. Low power consumption for long time talking. 6. Broad compatibility support various Bluetooth device. 7. Fast connecting with clear voice. Specification: Power Easy charge by lithium battery Transfer 10m Keep talking 3 hours Keep rest 120 hours Weight 11g