... 2. Innovation earbud design, Pick it to wear and talk directly, save the hook. 3. A2DP output, Support ... Echo cancellation and wind noise Reduction, Keep talk clearly anytime. 6. Long time Standby time, 65mha Li-polymer battery. 7. Adjust ... -ion, 65mah charge current:5v, 200macharge time:2 hoursstandby time:72 hourstalking time:3hoursmusic play time4hoursnet weight:7gsensitivity42db stereo mobile ...