Product size: L100*W100xH195mm Wireless charger, output: 5V/5W; Mono speaker; SNR: ≥84dB; Frequency:100Hz-20kHz; Speaker output power: 5.0W*2. Distance: Build-in bluetooth function with range up to 10M. Bluetooth with handsfree talk function. Working time: Build in 3.7V/1800mAH rechargeable battery with continuous playing time around 3-5 hours (in 50% volume). Function: FM Radio/USB player/TF Card player. Color: Black, White, Grey, Blue, Red etc. Accessories include: USB Charging cable (50CM), English Instruction Manual.