Main Features: - Perfect performance of noise reduction, isolated from background noise for zero distortion sound quality.
- Built-in microphone, support answer / hang up calls and volume control.
- Supports hands-free talking, stereo music output.
- Smart multi-point connecting, support two devices connecting at the same time.
- You can easily use it while traveling, driving just connect it to the Bluetooth-enabled digital devices.
- With its powerful and fast recharging battery, you can enjoy super long uninterrupted play back time.

Specifications:
Brand: GBLUE
Wearing type: In-ear with ear hook
Transmission Range: Up to 10m
Frequency response: 20 - 20000Hz
Impedance: 12ohms
Sensitivity: 108 + / - 3dB
Bluetooth version: V4.1 + EDR
Battery capacity: 50mAh
Talking time: 3.5h
Music playing time: 2.5h
Standby time: 75h
Charging time: 1.5h Model: K23X
Wearing type: In-ear with ear hook
Function: Bluetooth,Microphone,Noise Cancelling,Song Switching,Voice control Connectivity : Wireless
Application: Mobile phone,Portable Media Player Package weight: 0.165 kg
Product size (L x W x H): 5.80 x 1.50 x 1.80 cm / 2.28 x 0.59 x 0.71 inches
Package size (L x W x H): 17.20 x 7.50 x 6.00 cm / 6.77 x 2.95 x 2.36 inches Package Contents: 1 x Bluetooth Earphone, 1 x Vice Earphone, 1 x Pair of Ear Hook in Different Color, 1 x USB Charging Cable, 1 x Bilingual User Manual in English and Chinese