With wireless charging function, can charge two mobile phones at the same time, one is wireless charging, one is charged by cable Bluetooth 5.1 speaker, support music playback and hands-free call Support FM radio, alarm clock, TF card, AUX-IN, EQ sound and other functions Multifunctional, stylish and practical, convenient to use Specification: Bluetooth Chipset: JieLi IC Bluetooth version: V5.1 version Bluetooth Protocol: A2DP, AVRCP, HFP, HSP Transmission Distance: 10m to 15m Speaker Size: 40mm speaker + 40mm bass diaphragm Speaker Impedance: 4Ω Amplifier Drade: CLASS D Power Rating: 3W THD+N ≤5% (1KHz, 0dB) Frequency response: 50Hz-18KHz Distortion: ≤0.30% (1KHz, 1W) SNR: ≥75dB Channel: Mono Noise Floor: ≤0.5mV Wireless Charging Current: Max 1.3A Wireless charging output: 10W Coil type: Single coil Wireless charging conversion rate: about 80% Working Mode: Bluetooth/FM/AUX-In/TF Card Alarm Clock: Yes Bluetooth calling: support Battery capacity: 1500mAh Battery voltage: 3.7V Rated Voltage: USB 5V/9V Power Supply Voltage: DC 5V/3A 9V/2.5A Connection: Type-C input, USB-A output/3.5mm interface/TF card interface/earphone jack Product Material: ABS+Iron Mesh Product Size: 195*105*73mm