Specification: Item Type: Bluetooth Clip Receiver_x000D_Material: ABS+PC_x000D_Color: As Picture Shown_x000D_Weight: Approx. 53.0g/1.9oz_x000D_Bluetooth Distance: About 10m_x000D_Bluetooth Version: BL5.0 + EDR_x000D_BT Protocol: AVRCP \ A2DP \ HFP \ HSP_x000D_Output Connector: 3.0mm_x000D_Audio Noise Rate:> 90dB_x000D_Battery Type: Rechargeable Li-ion Battery (included)_x000D_Battery Capacity: 200mAh_x000D_Working Time: About 8 hours_x000D_Charging Time: About 1.5 hours_x000D_Features:_x000D_Support Bluetooth hands-free call function, support memory card playback, support phone functions such as answering, hanging up, rejecting, and calling back_x000D__x000D__x000D_How to use:_x000D_1. Power-on connection_x000D_2. Use the terminal device to search for Bluetooth for SR11 and connect,_x000D_3. Support playing music in memory card, with memory function._x000D_4. Long press the two volume keys at the same time to cycle through the Bluetooth mode and memory card mode_x000D_Long press the M button for 2 seconds, switch the machine_x000D_In the incoming call state, short press the M key to answer the call; long press the M key for 1 second to reject the call_x000D_In the playback state, short press the M button, the playback is paused_x000D_In Bluetooth mode, double-click the M button to recall Features: 1Supports 2 playback modes, can listen to music at will, and also supports memory card playback and high?definition calls in bluetooth mode. 2Turn on the phone's Bluetooth, search for the device name, and click to pair, after success, the phone can automatically pair with the adapter later, can connect 2 device. 3Suitable for home or car audio systems and wired headsets, support answer, hanging up, reject, call back and other phone functions. 4Can connect to any A/V receiver with a standard 3.5mm jack and any active speakers, fit for iPhone/iPad/iPod Touch/phones/Android devices. 5Support CVC call noise reduction technology, built?in power isolation module, separate noise current, just like face?to?face conversation. PackageList: 1 xBluetoothClip Receiver 1 x Charging Cable 1 x Manual