Intopic Jazz BT990 Foldable Wireless Headphone

BT990
Features:
– Wireless BT 5.1 version, providing stable signal with low power consumption.
– Support BT and line in mode, enjoy music without limit.
– Built-in 350mAh lithium battery for more than 17hrs playback.
– Foldable storage design, more convenient for carry.
– High quality 40mm driver unit, providing excellent sound quality.
– Support hands-free call function with more convenient.
– Support song selection, volume adjustment and other operating functions.
– 3 EQ modes “Bass / Voice / Pop sounds”, one button easy switching and adjustment.

Specifications:
– Power Voltage: 5V
– Power Current: 265mA
– Battery specifications: 3.7V, 350mA lithium battery
– Charging time: 1.5hrs
– Playback time: About 20hrs (volume 70%)
– Working distance: +/- 10m (without obstruction)
– BT Version: BEKEN 5.1
Speaker
– Speaker Dimension: 40mm driver unit
– Sensitivity: 108dB +/- 3dB
– Frequency Response: 20 – 20,000Hz
– Impedance: 32 Ohm
Microphone
– Directionality: omnidirectional
– Working Voltage: 2.0V
– Sensitivity: -42 +/- 3dB
– Working Temperature: -10 Degree Celsius – +55 Degree Celsius
– Buttons:
1) “+” button: click-volume up / long press: next song
2) Play button: click-Play/Pause / double press: redial last number
3) Long press: Power ON/OFF
4) “-“ button: click-volume down / long press: previous song
– BT Profile: HFP/HSP/A2DP/AVRCP

What’s in the box
1 x BT990 Bluetooth Wireless Headphone
1 x 3.5mm audio cable
1 x USB charging cable
1 x User Manual