Use: Various workplaces that are not suitable for wearing headphones need background music to properly cover noise or adjust working mood; Outdoor activities such as walking, jogging, walking dogs, climbing mountains, cycling, etc. and compact Convenient to fix or wear on hats, clothes, belts, or workstations. Slip-proof, fall-proof, strong and fall-, and there is no damage when falling on the cement floor for 2 meters. Waterproof and dustproof Long battery life, medium volume continuous operation 30h. The sound quality is soft and comfortable, and there is no auditory fatigue when used for a long time at close range. Professional tool style Function: Bluetooth playback, hands-free. TF card playback 3 fixing/wearing methods: back clip, magnetic and rope hanging. Speaker power: 3W Full-frequency bubble edge speaker Battery capacity: 900mAh Keys: 4 keys Charging port: type-c Color:Yellow & Black Material:ABS Package Contents: 1 * Outdoor small speaker Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.