Brand Name: arikasen Power Source: Battery Inbox adaptor: No Cabinet Material: Plastic Audio Crossover: Two-Way Waterproof: Yes Communication: Bluetooth Speaker Type: Portable Channels: 2 (2.0) Support APP: No Battery: Yes Category: Speakers Use: Home Origin: Mainland China Sound Mode: 3D Surround Sound Mode Sound Mode: Stereo Sound Mode Voice Control: Yes Power Source: Battery Number of Loudspeaker Enclosure: 1 Input Power(W): <25 W High-concerned chemical: None Input/Output: USB Intelligent Personal Assistant: None Tweeter material: Metal Acoustic enclosure: HORN Codecs: sbc Codecs: AAC Remote Control: No Support Apt-x: No Control: Volume control Control: Playback Number of devices connectable simultaneously: 2 Bluetooth Version: 5.0 Total Harmonic Distortion: 7 Sensivity: 76 Output Voltage: 6W Support Memory Card: No Feature: Phone Function Battery Capacity[mAh]: 600 Woofer/Widerange material: Other Playback Function: Other Display Screen: No Maximum wireless range[m]: 10m-20m Sabwoofer cabinet material: Plastic Certification: CE Certification: FCC PMPO: 10 W Touch Screen: No Impedance: 4 Ohm Tweeter type: Electrostatic Active Noise-Cancellation: Passive Material: Plastic Display Screen: No Mid-range material: Other Built-in Microphone: Yes Frequency Range: 100Hz-20KHz Type: Neckband Bluetooth Speaker Playback: 12 hours Charging time: 1-2 hours Bluetooth version: 5.0 Wireless Range: 15 meters Battery: 600 mAh Features: Bluetooth speaker wearable Material: Soft silicone and fabric