•Splash/shock/dustproof function, suitable for outdoor and bathroom •Easy playback control and volume control, just press the volume up and down keys •When used with AUX, you can easily listen to the sound of PC, mobile phone, MP3, MP4 •With the strap, you can easily put it in your bag or pocket, making your travel more convenient •Built-in 1500mAh rechargeable battery, making the game time up to 8-10 hours •With NFC function Specification: •Brand: W-KING •Model: S7 •Material: plastic •Bluetooth-compatible version: V5.0 •Transmission range: 10m •Total power: 5W •Signal-to-noise ratio: 68 decibels •Sensitivity: 80 decibels •Frequency response: 2.4ghz-2.48ghz •Impedance: 4 ohms •FM frequency: FM78.8-FM106.1 •Built-in battery capacity: 1500mAh •Battery type: Lithium-ion battery •Playing time: 10-12 hours •Product size: 90*100*50mm •Product weight: 490g Package included: •1 x Bluetooth-compatible Speaker •1 x USB Charging Cable •1 x English and Chinese User Manual