Come and see our amazing products! This speaker Bluetooth has Bluetooth playback, hands-free calls, sucker bracket and other functions. Can be used as a speaker, but also as a mobile phone stand. Sucker with 2 mm thickness breast-level silicone sucker, with a super sucker function. Its Bluetooth version is V3.0 + EDR, USB charging input voltage 5V, charging time, 2 hours. Battery capacity 200mAh. Speaker rated power output 3W. Speaker Specification 13 core inner magnetic single core. Lithium battery size 3.7V, signal to noise ratio 90HZ-20K / 65dB, wireless effective transmission distance of up to 10 meters. Also has a shock, drop, a certain waterproof function, is a good product. We can also print your request LOGO. Pls confirm further with us if any query about packing info, inventory status and time schedule.