Speaker 2 In 1 Speaker With Headset Bluetooth Speaker With Headset Mini Portable Outdoor Speaker With Headset Sport Headset

K045 two-in-one audio headphonesHeadphone size: 30*20mm Audio size: 143*60mm Product bare weight: 247 grams Product weight with packaging: 301.5 grams Color box size: 15*6.9*6.9CM Case: 36*31.5*30CM, 40pcs, 12.9kgBluetooth:Version:V5.1(Speaker)/V5.1(Headset)Transmission range:≤10mSupport protocol:A2DP/HFP/HSP/AVRCPSpeaker: drive unit: 40mm (speaker) / 10mm (headphones)Impedance: 320 (speaker), 3.60 (headphone) rated power: 3mWFrequency response: fx-14kHZ(speaker) / 20HZ-20kHZ(headphone)BatterySpeaker standby time:1000HHeadphone standby time:40HSpeaker battery capacity:1200mAhHeadphone battery capacity:40mAhSpeaker play time:5-6HHeadphone playback time:4-5HSpeaker charging time:3.5-4HHeadphone charging time:1.5-2H