Specifications:

Brand: Nubia

Model: C1 (BH4008)

Colour: Blue / Green / White

Waterproof: IPX4

Wearing type: Semi-In-Ear

Driver: 13mm dynamic

Frequency response: 20-20kHz

Bluetooth version: V5.3

Supported profiles: HFP/HSP/A2DP/AVRCP

Transmitting distance: 10m

Battery capacity: Earphone: 40mAh/3.7V, Charging box: 400mAh/3.7V

Charging interface: Wired - USB Type-C

Time to fully charge: Earbuds + Charging box: ～40h

Call time: 10h

Music time: 10h

Standby time: 400h

Charging time: 1.5h

Microphone: Yes

Touch control: Yes

Volume control: Yes

Noise cancelling: Yes

Product weight: 0.0500kg

Package weight: 0.1500kg

Product size: 56×60×22mm

Package size: 190×193×52mm

Features:

 - Bluetooth V5.3 chip:

The new generation of Bluetooth 5.3 has five major improvements that can be heard compared to 5.0, and the connection is more stable and wide-ranging.

 - HiFi & 3D surround audio:

The use of 13mm moving coil speakers supplemented by high-elastic PU composite diaphragms restores clear and delicate vocal-instrumental music, reproduces the details of solid and surging drum beats, and experiences the surround 3D panoramic sound and stereo field from the human ear to the brain.

 - Low gaming latency:

Press and hold for 3 seconds to enter the low-latency game mode, the delay is as low as 0.06s, say goodbye to waiting, and fight fast.

 - 400mAh big battery capacity: 

With a 400mAh large-capacity charging box, the battery life can reach 40 hours, there is still electricity without charging, and the sound is endless.

 - IPX4 waterproof

What's in the box:

1 × Charging box

2 × Nubia BH4008 earphones

1 × Charging cable

1 × User manual

1 × Package box