Overview：
Superior Sound Quality
40mm large-aperture drivers deliver premium playback with superb bass depth and high-frequency clarity. It is designed for stereo headphones.
30 Hours Battery Life with ANC on
Up to 30-hour Playtime in Wireless Mode when it's fully charged; and it can provide 3-day music time via aux cable when ANC on.
Qualcomm Bluetooth 5.0 Chip
Compared with bluetooth 4.0, the latest Bluetooth 5.0 qualcomm chip creates a wider Bluetooth range and more robust signals, greatly upgrades your audio experience.

Specification：
Product model: DD9
Color classification: red, black
Headset type: Bluetooth headset
Charging mode: Micro USB
Headphone cable length: 25cm
Charging time: 1.5 hours
Headphone capacity: 100mAh
Wearing a way: a necklace
Music time: about 10 hours
Effective distance: 10m

Package Content：
1x Bluetooth Headset