Apple MacBook Pro 13in i5 2.9GHz (MF841LL/A), 8GB Memory, 256GB Solid State Drive, MacOS 10.12 Sierra (MF841LL/A 2.9GHz / 8GB Memory / 256GB SSD) (Renewed)

AK45 HiFi Stereo AMP ▶ -- This Dual channel stereo digital amplifier offer 300W+300W peak power and 40W+40W rated power. Amplifier can input 12-240V. AK35 HiFi Stereo AMP ▶ -- This Dual channel stereo digital amplifier offer 100W+100W peak power and 30W+30W rated power, with 12V 5A power supply to connect the devices. Bluetooth 5.0 ▶ -- Built-in bluetooth 5.0 core, no pop, no audible noise when Bluetooth connection is established, designed for the customers who pursue HiFi sound. (NOTE: Please keep the distance within 30ft/10m between the device and amplifier without any wall blocking. But if you are connecting whith TV or PC devices, please keep the distance within 15ft/5m.) USB 2.0/SD Card Input ▶ -- The sound amplifying mixer device features a USB/SD card input to support flash drives or SD card. Allows you to play your favorite audio files from your computer's media library when you connect it directly to the amp. Wide Application ▶ -- Compatible with mobile phones, computers, tablets, notebooks, TVs and projectors with AV audio etc. Recommend for home TV audio, computer audio system-game, tower Speaker, garden speaker. Small simple compact design also for car audio system.

[400 Watts of Power] This is a multi-function home stereo amplifier, compact and powerful, that provides 60W + 60W rated power and a maximum output of 400W + 400W. You can enjoy clear and crisp sound with the stereo effect from this small amplifier, which is ideal for karaoke, home theater, and acoustic sound systems. It is suitable for small apartments, bedrooms, offices, basements, and garages. With its compact design, it can fit easily into your bookshelf or A/V cabinets. [Various Input Options] Connect your music streaming devices such as PC, mobile, or laptop via Bluetooth, RCA, or MIC input. It also supports USB, SD/TF card ports, and FM radio. You can enjoy your music the way you want to. (Note: Please keep the distance within 16.4 ft/5m between the device and amplifier without any wall blocking. If you are connecting with PC devices, please keep the distance within 6.5 ft/2m.) [Hi-Fi Amplifier] Designed for those seeking high-fidelity sound quality, this amplifier features 2 enhanced audio processing chips and powerful sound processing technology for low distortion output and high-fidelity sound quality. Treble, bass, and echo can be adjusted according to personal preference. The equalizer optimizes the sound for better output through a speaker or subwoofer. [With MIC Jack and Echo] This KS-33BT Bluetooth stereo audio amplifier is also a karaoke amplifier and not just a hi-fi amplifier. The amplifier, with 2 mic jacks and an echo function, is ideal for karaoke or announcements. You can sing with friends, and it is also possible to achieve the echo effect with our amp. You only need to connect the mic to our amp and adjust the echo knob to get the reverb effect that you want. [Digital LED Display] The integrated receiver for home stereo features an FM radio with a built-in LED display and front-panel audio control center. The HD LED display shows input mode, track and folder names. The package comes with an FM antenna and a remote control for long-distance audio adjustments. (The remote control can remotely control the volume of MP3/BT/FM.)

[9-in-1 Docking Station for Laotop]This is a multi-functional docking station hub unique designed for laptop,you can easily expand up to 9 additional ports through a single port, including: 1*HDMI (4K@30Hz)、1*VGA(1080P)、1* Gigabit Ethernet Adapter、1*100W PD Charging Port、2*USB-A 3.0 ports、 1*3.5mm AUX slot 、1*SD card reader and 1*TF card reader. [4K Display Docking Station]Daakro docking station for multiple monitors with HDMI and VGA outputs triple display up to 4K video. When only one port work, HDMI port support 4K@30Hz resolution, and VGA support 1080P@60Hz. When two port work:HDMI + VGA: 1080P@60Hz.Please Notice: MacOS ONLY support SST(Mirror Mode: display the SAME image) due to the MacOS limitation. Windows support MST(Extend Mode) and SST(Mirror Mode). [Fast Stable Data Transfer Docking Station]This Daakro docking station is equipped with 2 USB 3.0 ports with a transfer speed of up to 5Gbps, perfect for connecting other USB A devices such as keyboards, mice, USB flash drives, USB C hard disks, etc. Enjoy fast and efficient file transfers and media streaming with USB 3.0 technology, ensuring quick data transfer rates between your laptop and connected devices via the USB docking station. [100W PD Powerful Charging Port]The usb c hub laptop docking stations equipped with a powerful 100W PD USB C power charging port to quickly charge your laptop (safe power output limit of 85W).Please Note: please ensure your laptop's USB C port supports power delivery protocol and please use at least 65W power adapter(not included) when charging with this usb c hub,using a lower wattage power charger may cause a system warning. Note: The power cord is not included. [Strong Compatibility Type C Docking Station]This USB C Dongle Adapter specially designed for laptops with Full-featured USB Type-C port (support Display, charging, data transfer protocol), such as Dell XPS13/15/17, Dell latitude 5420/7420, Lenovo Thinkpad, Lenovo Yoga, HP Elitebook 840,HP envy, Surface pro 7 8, MacBook Pro/Air. If you are not sure if this USB C hub HDMI docking station is suitable for your laptop, or if you have any problem in using it, you can contact us anytime.

[Dual TPA3116D2 HiFi Chip]Daakro ZK-TB21 Bluetooth Amplifier Board uses the original imported TPA3116D2 HiFi amplifier chip with PurePath technology for ultra-high resolution, ultra-low distortion and high-fidelity sound quality. Supports 2.1-channel configuration, including left channel, right channel and subwoofer output. The left and right channels each provide 50W output power, and the subwoofer can reach a maximum output power of 100W, creating an immersive sound experience. [Dual Audio Input Modes] This amplifier board integrates AUX and Bluetooth 5.0 input methods. You can seamlessly connect with the latest Bluetooth 5.0 technology and enjoy the convenience of wireless, or you can choose the traditional AUX input connection to access the audio source. The vast majority of devices can be used, such as mobile phones, TVs, laptops, etc. It is very easy to connect and use, enjoy the fun of music. [Wide Application]The Daakro ZK-TB21 amplifier board supports a wide input voltage range from 12V to 24V DC, and can be powered by 12V, 15V, 18V, or 24V. This adaptability ensures that you can easily find the right power source. The board is suitable for 30-200W, 4-8Ω speakers, and can be perfectly matched with speakers of all sizes. This means you can choose the right power supply and speakers according to your actual needs. [Comprehensive Protection]The Daakro ZK-TB21 Bluetooth Amplifier Board has a comprehensive built-in protection mechanism, including over-voltage protection, under-voltage protection, over-temperature protection, short-circuit protection and reverse connection protection. These smart protection features ensure that your device is protected in every situation, so you can enjoy your music with confidence. [Optimal Power Matching]Note that optimal audio output requires the correct combination of adequate audio input with appropriate power supply voltage and current. Different loudspeaker impedances affect relative sound power. A loudspeaker with a higher impedance will produce less relative sound power with sufficient voltage and current. Please be aware of these factors to optimize your audio experience.