Brand N/A Model S14 Quantity 1 Color Black + blue Bluetooth Version V3.0 Operating Range 10 meter Compatibility V1.1 V2.1 Microphone Yes Channels 2.0 Total Power 3W Impedance 4 ohm Signal to Noise Ratio(SNR) 95dB Sensitivity 0.5% Radio N/A Supports Music Format MP3 Power Supply Built-in lithium battery Built-in Battery Capacity 500mAh Compatible With Ipad Iphone Samsung + more BQB Certification No Other Features Battery voltage: 3.7V; Lithium capacity: 500mAh; Charging voltage: 5V; Frequency: 60Hz~18KHz; Charging time: 2 hours; Support 16GB TF card (max) Connector: TF card slot / Mini USB Packing List 1 x Speaker 1 x Data cable (50cm) 1 x English user manual