Bluetooth walkie-talkie conversation set (2-pin Kenwood 3.5 mm. connection)

Specifications for: Bluetooth walkie-talkie conversation set (2-pin Kenwood 3.5/2.5 mm, connection) Model: Bluetooth ear headset Bluetooth Dongle (converter) + Bluetooth ear headset Bluetooth version: V3.0 Class 2 Frequency: 2.4G Working mode: HFP1.5 A2DP AVRCP Charging time: from 1 to 2½ hours Charging distances: < 10 meters Working time v./constant talk: between 4 and 5 hours Standby time: approximately 22 hours Connector: K1 Standard (Kenwood 2-pin) Dimensions Dongle: 5.0 x 2.5 x 2.3 cm. Ear set dimensions: 5.2 x 1.5 x 1.0 cm. Weight: 21 grams.