DOK CR11 Speaker Cradle Rechargeable Battery Andrioid iPhone Tablet iPad 4 hour 

• Universally Compatible with any smart device. 
• Speaker system Plays a device through the internal speaker
• Two-way power Built in lithium-ion battery & Mini USB Port

Features

• Compatible cradle for Smart phones and MP3 players
• High quality speaker system to play smart devices
• 1.5W output power
• Power ON/OFF switch
• Power ON/OFF indicator
• Rechargeable Lithium Ion Battery
• Mini USB Socket for Power
• Dimension - 4.88 L x 4.63 W x 3.38 H in.

Specification

• Lithium Ion
• Number of cells: 403035
• Total Cell Weight: .254oz/7.2g.
• Total Battery Weight With PCB: .275oz/7.8g.
• Equivalent Lithium Content: .21g.
• Watt Hour Rating: 1.48 WH
• Capacity: 400 mAhs
• Volts: 3.7
• Estimated Life Per Charge: 2.7 hours

DOK CR11 Speaker Cradle Rechargeable Battery Andrioid iPhone Tablet iPad 4 hour  Universally Compatible with any smart device.  Speaker system Plays a device through the internal speaker Two-way power Built in lithium-ion battery & Mini USB Port Features Compatible cradle for Smart phones and MP3 players High quality speaker system to play smart devices 1.5W output power Power ON/OFF switch Power ON/OFF indicator Rechargeable Lithium Ion Battery Mini USB Socket for Power Dimension - 4.88 L x 4.63 W x 3.38 H in. Specification Lithium Ion Number of cells: 403035 Total Cell Weight: .254oz/7.2g. Total Battery Weight With PCB: .275oz/7.8g. Equivalent Lithium Content: .21g. Watt Hour Rating: 1.48 WH Capacity: 400 mAhs Volts: 3.7 Estimated Life Per Charge: 2.7 hours

DOK CR11 Speaker Cradle Rechargeable Battery Andrioid iPhone Tablet iPad 4 hour  Universally Compatible with any smart device.  Speaker system Plays a device through the internal speaker Two-way power Built in lithium-ion battery & Mini USB Port Features Compatible cradle for Smart phones and MP3 players High quality speaker system to play smart devices 1.5W output power Power ON/OFF switch Power ON/OFF indicator Rechargeable Lithium Ion Battery Mini USB Socket for Power Dimension - 4.88 L x 4.63 W x 3.38 H in. Specification Lithium Ion Number of cells: 403035 Total Cell Weight: .254oz/7.2g. Total Battery Weight With PCB: .275oz/7.8g. Equivalent Lithium Content: .21g. Watt Hour Rating: 1.48 WH Capacity: 400 mAhs Volts: 3.7 Estimated Life Per Charge: 2.7 hours