Product Review

Features:
In-ear earmuffs with three sizes of ear tips fit all ears snugly and securely.
Don't have to put up with dangling earbuds when you are not using for Convenient Magnetic Lock.
Noise Canceling Technology and in-ear design provide Hi-Fi sound and help block off ambient noise to ensure high quality sound and promote the call quality.
With Bluetooth 4.0, Etpark headset easily pair to your Bluetooth device and provide strong wireless connection up to 39in. It is universally compatible with Bluetooth-enabled devices.
Multi-function button and volume and track controls are all on the left-side neckband, which allow you to conveniently skip tracks forward and back, pause and play music, and answer /end calls.

Specifications:
Bluetooth version: V4.0 class 2
Distance Coverage: 10 meters(39in)
Support: Bluetooth headset, hands free, A2DP & AVRCP Profiles
Charging time: 3hours
Music playing/Talk time: 6-12hours
Power rating: 17mW
Speaker: 32oHM
Standby time: 250hours
Frequency Table: 2400.0-2483.5Mhz unlicensed ISM band
Rechargeable: 200mA/h Li-polymer battery
Work Voltage: DC 3.3V to 4.2V
Battery: Rechargeable 130mAh Battery
Charger: DC 5V(300mA)
Weight:33.2g(0.07lb)

Package Contains:
1*Bluetooth headset
1*charging cable
1*Instructions
3*Earmuffs(pairs)