Main Features:- Bluetooth 2.1 technology for lower energy consumption but more stable connection and faster transmits speed, wireless operating distance is up to 10m
- Long playtime, fast recharge: Built-in 300mAh rechargeable Lithium-ion battery supplies 3 - 8hrs music time and it can be fully recharged for 2 - 3hrs
- Simple control panel: Easy access to hands-free talking / Volume up / Volume down / Fast forward ( skip ) / Backward / Pause / Play / Power buttons
- Diverse play mode: Can play music directly from TF card / AUX cable and Bluetooth devices, convenient to use
- Support for hands-free calls function
- Broad compatibility: Quick pairing through Bluetooth with any Bluetooth enables smartphones
- Built-in microphone let you can have a more clear and safer call with your families and friends
- Fashionable and high-end equipment, not only satisfies your own awesome music enjoyment need but also can be used as a creative present for friends
- A variety of play mode switches Model: S311
Design: Classical,Cool,Multifunctional,Portable
Compatible with: Mobile phone,MP3,TF/Micro SD Card
Supports: Bluetooth,Hands-free Calls,Microphone,TF Card Music Playing,Volume Control
Functions: AUX Function,Songs Track
Connection: Wireless
Audio Source: Bluetooth Enabled Devices,Electronic Products with 3.5mm Plug,Electronic Products with USB port,TF/Micro SD Card
Material: ABS,Plastic
Color: Black,Gray,Light blue,Red TF Card Extension: 32G to the Max.(Not Included)
Transmission Distance: W/O obstacles 10m
Speaker Impedance: 4 ohm
Freq: 150Hz-15KHz
S/N: More than 85dB
FM Radio Frequency: 87.5-108MHz Power Source: Battery
Charging Voltage: 5V
Working Voltage: 3.7V
Battery Capacity: 300mAh Battery Type: Lithium ion battery
Battery Voltage: 3.7V
Battery Current: 350mA Package weight: 0.662 kg
Product size (L x W x H): 18.00 x 6.50 x 7.00 cm / 7.09 x 2.56 x 2.76 inches
Package size (L x W x H): 19.50 x 9.50 x 9.50 cm / 7.68 x 3.74 x 3.74 inches Package Contents: 1 x S311 Hands-free Bluetooth 2.1 Speaker Portable AUX TF Card Music Player, 1 x USB Cable, 1 x 3.5mm AUX Cable, 1 x English User Manual