Specifications:

• Portable design
• Built-in recharger battery support up to 20 hours' playback time to charge their phone
• Easy to carry
• It can suck on glass/mobile phones/blackboard/PC and more
• CSR Bluetooth V3.0
• Loudspeaker output: 3W RMS
• Supports hands-free phone call
• Operation range: up to 15 meter
• Frequency responses: 100Hz to 20kHz
• Signal-to-noise: ≥75dB
• Distortion: ≤1.0%
• Built-in Li-polymer battery/charging time: 2 hours
• Playback time: 8-10 hours
• Material: Silica gel + Plastic