BT-890 Bluetooth 4.2 Hanging Neck Design Bluetooth Headset, Support Music Play & Switching & Volume Control & Answer1. Bluetooth Version: Bluetooth V4. 2 2. Transmission distance: 10 meters 3. Use time: 6 8 hours 4. Standby time: 4 6 minutes automatic shutdown 5. Battery: 85 mAh rechargeable lithium battery 6. Functions: adjusting volume, switching songs, answering calls,call rejection, hangup, bluetooth playback, telephone replay,broadcast, bluetooth return, voice tips, power display, inform the caller number, intelligent shutdown, plain English broadcast

which has a good hand feeling

Use CAT-5 / 6 replaces VGA cable

overspeed alarm

Four-corner air bag design

protects ring light from suddenly dropping

The touchpad also supports gestures and swipes for intuitive navigation

HD output: support 4k ultra-high-definition TV video output (1080p / 720p) and monitors and projectors with HDMI input

travel light

Total output: 40W

forward saturation voltage drop

One Package Size 24cm * 16cm * 12cm / 9

Working current: 8mA