Features:
△ Full duplex, DSP technology for noise and echo cancellation.
△ Independent Bluetooth headset, taken away easily
△ Support two profiles - Handsfree and Headset
△ Super bright LED caller-ID display in three ways
△ Easy fixing on the sun visor or put anywhere.
△ Up to 300 hours standby time; Up to 10 hours talking time
△ Supply optional car or travel charger together with USB cable

Specifications:
△ Weight: 107g
△ Dimensions (L x W x T): 97*75*20mm
△ Bluetooth Compliance: Bluetooth 2.0 with HFP and HSP
△ Frequency Range: 2.402 ∼ 2.480GHz
△ Transmission Output Power: 0.25 ∼ 2.5Mw
△ Maximum Cordless Distance: 10m
△ Typical Standby Time: Up to 300 hours
△ Typical Talking Time: Up to 10 hours
△ Battery Type: Rechargeable Lithium Ion
△ Charger Rated Input: AC 100-240V, 50/60Hz
△ Charger Rated Output: DC6V, 1000mA