Features:

Support Bluetooth/Line in connection, FM radio, TF card, Hards-free calling

Support L2CAP/A2DP(AVCTP/AVDTP/AVRCP), HSP/HFP

Voice guidance

Built-in mic

Built-in Li-ion Battery

4 Keys operation

Specifications:

Net Weight: 210g

Voltage: DC 5V

Dimension: 108 * 36 * 54 mm

Bluetooth Version: 2.1 + EDR

Working Distance: up to 10m

Loudspeaker: 4Ω 3W

S/N Ratio: >= 95db

Frequency: 280Hz - 16KHz

Built-in Li-ion Battery: BL-5C

Voltage: 3.7V

Current: 1020mA

Power: 3.8W/h

Battery Carge Time: 2hrs