My boyfriend bought a set of JBL-610 Wireless Headphones from a shop at the Hong Kong Airport. The problem is that the shop assistant told him to charge it for at least 6 hours before using it which ...
Question about JBL-610 Consumer Wireless Headphones
...and other bluetooth device; Deep Sleep mode extends battery life; Noise-cancelling microphone reduces background noise; Amazon com Charm sonic Bluetooth Headphones V3 0 Handsfree Stereo
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