Main Features: 
● Perfect performance of noise reduction, isolated from background noise
●  With its powerful and fast recharging battery, you can enjoy super long uninterrupted play back time
● Built-in microphone, support answer / hang up calls, volume control and the last dialed number redialing
● The anti-shedding function could ensure you enjoy your favorite sport
● Liberating your hands, more freedom and safety
● Small, lightweight and high quality material ensure you more comfortable wearing experience.

Specifications:
Model: LC - B40
Wearing type: Ear hook
Function: Bluetooth, answering phone, song switching, built-in microphone
Transmission range: Up to 10m
Sound channel: Two-channel ( stereo )
Frequency response: 8 - 25000Hz
Impedance: 9 ohms
Sensitivity: 123dB
Voice reporting incoming phone number: Yes
Bluetooth version: V4.0
Battery Capacity: 50mAh
Talking time: 5h
Standby time: Up to 100 hours
Charging time: 1.5h Color: Black
Communication: Wireless
Function: Bluetooth,Microphone,Noise Cancelling
Style: Ear Hook
Use: Mobile phone,Sport 0.042 Package weight: 0.067 kg
Product Size(L x W x H): 6.00 x 1.60 x 1.80 cm / 2.36 x 0.63 x 0.71 inches
Package Size(L x W x H): 8.10 x 8.10 x 3.00 cm / 3.19 x 3.19 x 1.18 inches Package Contents: 1 x Bluetooth Headset, 1 x USB Charging Cable, 1 x Pair of Ear Hooks, 1 x Pair of Ear Caps, 1 x Vice Earphone, 1 x Bilingual User Manual in English and Chinese