Bluetooth specification v2.1 class 2 + EDR

Supports Bluetooth headset and handsfree profile

Working range: 10m

Frequency range: 2.4 Ghz

Charging time:about 2 hours

Talking time: about 2.5 hours;

Standby time:60hours

Size:47*15* 10mm

Weight: 12g

Accessories:1 x EBE-137 Bluetooth; 1 x Charger; 1 x User Guide; 1 x Ear Hook