Bluetooth Headphones A770BL

Description: Awei A770BL Sport Wireless Stereo Foldable Headset Bluetooth Gaming Headphone With Mic Specifications: Bluetooth Version: 5.0 Protocol: HFP/A2DP/AVCTP/AVRCP Talk Time: 13 h Play Time: 12 h Charging Time: 1 h Input Voltage: DC/5V/300mAh Working Frequency of Bluetooth: 2402MHZ-2480MHZ Working Temperature: -40/+85 Transmission Distance: 10M Battery Capacity: 250mAh Driver Unit: 40MM Sensitivity: 122d3dB Impedence: 3215% Frequency Response Range: 20-20KHZ | Application: Call center | Application: Mobile | Application: Music | Design: On-ear | Technology: Hands-free | Wireless communication: Bluetooth | Connectors: AUX | Connectors: microUSB | Sound: Stereo | Audio controls: Volume control | Audio controls: Answer/Mute calls | Bluetooth features: AVRCP (Remote control) | Bluetooth features: A2DP (Stereo transmission) | Bluetooth features: HFP (Hands-Free Profile) | Impedance : 32 | Pass band (min): 20 | Pass band (max): 20000 | Sensitivity: 122 | Microphone: Yes | Microphone: built-in | Range: 10 | Color: Black | Weight: 520