Style: Headband Package: Yes

 Use: Portable Media Player Function: Bluetooth, Noise Cancelling, Microphone Communication: Wireless Model Number: ZL-B21 Connectors: Bluetooth Color: Black Product weight: 0.5kg Continuous working time: 8-10hours Support TF Card:2GB; 4GB; 8GB; 16GB; 32GB; 64GB

 Battery: rechargeable lithium-ion polymer battery Support card capacity: up to 16GB Support the computer system: Win 2000, Win XP, Win Vista, Win 7
Product Description

LED indicators: to indicate power level and other working status
For more than 10 meters' Bluetooth distance. Clear, stereo, shock deep bass voice, without noise.
Wired and Wireless Headset, Built in MIC. Volume up/down function, NEXT/ Back Songs Lithium polymer rechargeable battery, 200 hours' standby time, 10 hours' Music time.
Ear hook headset. No damage to hair, Comfortable and Security, t won't fall off when exercises as running.
Universal use, can be used for Computers, PC, Tablet PC, smartphones, etc.
Advanced technology, concise and fashionable shape, Easy and convenient for operation, sound quality is perfect.
Wireless and wired connection to the mobile phone, tablet PC, and
desktop Bluetooth CSR4.0 with noise canceling for fast Bluetooth
music transmission and clear phone call Simply press and rotate one knob to power on, adjust volumes,
and to play Adjustable headband for the long extension to make sure the wearer
is comfortable Ultra-soft ear pad and headband for a long time wearing Canceling