products size：21.5cm*6cm*7cm
Packing size：25cm*10*7cm
MEAS：52.5*36.5*53.5cm
QTY/CTN:50pcs/CTN，GW:14kg
 Packing details:(earpiece 1pcs+USB line 1pcs+ Introduction 1pcs+color box 1pcs)
Technical Specifications:
 Bluetooth version: V2.0
 Transmit power: Class2
 Support Protocol: Bluetooth headset, hands-free,
 Transmission: Wireless
 Transmission range: 10 meters
 Center Frequency: 2441.00MHz
 Frequency Range: 2400.00-2483.50MHz
 Operating temperature: -20 - 60 ℃
 Battery: Rechargeable lithium batteries
 Charger Specifications: 5.0-5.3v / 100-450mA
 Standby time: 5 days,
 Talk time: 24 hours
 Charging time: 4 hours
 Charging Interface: MINI usb universal interface