The best Alexa speakers of 2021: The top smart speakers to control your home | TechRadar. e-PitchPerfect Smart Speakers to control your home, and communication, and Audio Amplifier / Speakers / Speakers / pbones, All in One. Bluetooth version: 5.0 Power supplier: DC5V Output power: 60W Lithium battery : 2000mAH*6unit Audio driver5drivers Case Material: ABS + Fabric + Silicon Dimensions: 19.4*14.2*14.2cm N.W: 2.2kg Play time: 10Hours Charging time: 4hours