Features:

• Wireless Bluetooth Streaming
  Wirelessly stream high-quality sound from your smartphone or tablet
• 5 Hours of Playtime
  Built-in, rechargeable Li-ion battery supports up to 5 hours of playtime
• Waterproof Design
  The IPX7 waterproof housing makes GO 2 perfect for worry-free listening by the beach or poolside, or even in it
• Speakerphone
  Enjoy crystal clear conference calls over your speaker with the noise free speakerphone
• Audio cable input
  Don't worry if Bluetooth is not available, plug the audio cable into the speaker and enjoy your music all the same

Specifications:

• Bluetooth version: 4.1
• Support: A2DP V1.2, AVRCP V1.5, HFP V1.5, HSP V1.2
• Transducer: 1 x 40mm
• Output power: 3.1W RMS
• Frequency response: 180Hz – 20kHz
• Signal-to-noise ratio: >80dB
• Battery type: Lithium-ion polymer (3.7V, 730mAh)
• Battery charge time: 2.5 hours
• Music playing time: Up to 5 hours (varies by volume level and audio content)
• Bluetooth transmitter power: 0-4dBm
• Bluetooth transmitter frequency range: 2.402–2.480GHz
• Bluetooth transmitter modulation: GFSK/DQPSK/8DPSK
• 3 Months Replacement Warranty