Features:

• Bluetooth version: Version 1.2
• Range of Frequency : 2.4 GHz Spectrum
• Operating Rang: Up to 10 Meters (33 Feet)
• Typical Talk Time: 5 hours
• Typical Standby Time: 100 hours
• Dimension 56mm(L) X17mm(W) X 14 mm(H)
• Weight: 8.5 grams
• Ear compatibility - Adjustable for both left and right ear. 
• Battery - Rechargeable Li-ploymer low battery indicator.

Paking:

• QTY': 100PCS/CTN
• CTN SIZE:56x38.5x35cm
• G.W: 18KGS