CALUS Bluetooth Music Headset - Wireless Headphone - H83D Black

CALUS is the new leading brand of renewable energy solutions providers. With years of experience, our systems power simple lighting systems in remote areas of Africa. CALUS has been involved in cutting-edge research into the development of low-cost photovoltaic lighting systems and clean energy product systems for use in most parts of the developing world. These have been integrated into digital entertainment systems such as Bluetooth headphones.
High Quality - High-speed, high-quality Bluetooth connection, answering incoming calls, hands-free talking, superior compatibility, and high-fidelity stereo surround sound. Foldable, portable design. This foldable, portable design makes it easy to take on vacation or business trips, or store in your desk drawer for use at work. The headset not only offers a slim-profile style but also an adjustable, contoured headband, allowing you to achieve an excellent fit on your head.
 Bluetooth V4.1Support Protocol: HFP/A2DP/AVRCPEffective Distance: 10mCharging Time: 2.5 hoursBattery Capacity: 120mAhFunction Analysis: Support bluetooth connection, switch/pause the song (long press the volume control button/short press the previous next song) can connect and hang up the call, reject the connection, without code press again, retractable earpiece.Charging Voltage: DC5V/500mACharging Port: Micro USBListening Time: 9 hoursMicrophone: Built inAudio Input: 3.5mm.