Sundiao Bluetooth Headphones,in-Ear Wireless Earbuds Sports Magnetic Earphones with Built-in Mic Noise Cancellation Support Sweat-Proof Stereo Headset for iPhone Android and More (Black)

Description

Microphone sensitivity: 40±3 dBMicrophone directivity: all pointingMicrophone size: 4 mmFrequency response: 15-21000 HzSpeaker diameter: 9 mmSpeaker material: PETMagnet material: rubidium iron boronSensitivity: 118dBRated power: 20 mWImpedance: 16 ΩDistortion: <0.1%Headphone wire length: 65 CMHeadphone wire material: TPEBluetooth version: V4.1Bluetooth chip: CSRSupported protocols: HSP/HFP/A2DP/AVRCP/ATPXSignal track: 2.40G HZ-2.48G HzTransmission distance: 10MCVC - noise reduction: 6.0Charging Specifications: Micro USBCharging power: 5V/0.5~1ACharging time: about 2 hoursStandby time: 100 hours or moreTalk time: 4-6 hoursMusic time: 4-6 hoursAvailable colors: Black, Red, GreenPackaging specifications: 11.0 * 9.8 * 4.8 cmGross weight (with packaging): 88.0 gNet weight (without packaging): 24.5 g