EWA D503 (Black) Bluetooth Speaker With Mic

Slim rectangle shape, compact but fashion,Aluminium alloy structure, tough and durable,Built-in microphone for hands-free talking,Support TF card and 3.5mm audio input (TF card not included),Can be easily paired with Blutooth-enable phones and tablets,English and Chinese voice prompt,With exquisite packing box,Specification:,Brand: EWA,Model: D503,Bluetooth version: V 2.1 + EDR,Frequency range: 2.4-2.48GHz,Working distance: 30 meters,Communication protocol: HS/HF, A2DP, AVRCP, OPP,Audio driver unit: 40mm,Rated power: 2 x 3W,Impedance: 4?,Audio frequency response: 100Hz - 18KHz,THD: <0.5%,SNR: S/N?85dB,Battery: rechargeable 5V 1200mAh Li-on battery,AUX in: universal 3.5mm audio jack,Charging/data port: Micro USB,Charge voltage: DC 5V 1A,Work voltage: DC 5V,Size: 156 x 24 x 58.5mm,Package included:1 x EWA D503 Bluetooth Wireless Stereo Speaker w/ Mic Support TF Card Aux-input - Black,1 x Micro USB Cable (about 26cm),1 x English User Manual