SC211 Portable Subwoofer Wireless Bluetooth Speaker Bluetooth 5.0, Support TF Card & U Disk & 3.5mm AUX (Blue) Tag-Audio IC 5) Output power(dBm): ≥27 /

5) Output power(dBm): ≥27 / 30

Carton Size 42cm * 32cm * 52cm / 16

40HQ: 1932 cartons * 100 pcs = 193200 pcs

The size of the keyboard when it is opened: 346

MacBook Retina 12 inch A1534(2016 - 2017)

SC211 Portable Subwoofer Wireless Bluetooth Speaker Bluetooth 5.0, Support TF Card & U Disk & 3.5mm AUX (Blue) Tag-Audio IC 5) Output power(dBm): ≥27 /1. Built in noise reduction microphone, hands free call, voice prompt 2. Stereo surround sound, the bass is more powerful 3. Bluetooth 5. 0 stable connection, strong anti interference 4. 10 meters wireless transmission distance, high efficiency and stability, strong compatibility 5. Built in 1200mAh lithium battery, long lasting battery life 6. Support TF card & U disk & 3. 5mmAUX playback 7. Speaker power: 2 3W 8. Playing time: 6 12 hours 9. Product