Brand: Plantronics Model: Discovery 925 Release Date: - Weight: 8 grams Dimensions: 68.6 x 23 x 12.7 mm Design: Ear-bud Colours: Hardware /Devices Standby Time: up to 168 hours Talk Time: up to 300 minutes Battery Type: Li- ion rechargeable battery Charging Time: up to 2 hours Charger: AC charger Speaker: Casing: Casing: Bluetooth Version: v2.0 + EDR Indication light: LED indicator lightY Left or right ear: fit both ears Digital Signal Processor (DSP)*: N/A Noise cancellation: Yes Others: Other Devices: Sales Package contents: Basic Call Handling Number of button: No Info On/Off Switch: Yes Volume Control: Yes Mute function: Yes Switch Between phone & handsfree Modes: Yes Transmit range: up to 33 ft Connectivity: Wireless - bluetooth Voice Command: Voice Dialing: Yes Call Function: answering, ending, and rejecting calls, last-number redial Bluetooth Interfaces HeadSet Profile (HFP): Yes Handsfree Profile (HSP): Yes A2DP Profile (Stereo): AVRCP Profile: specification: Compatible Phone Model: