For Smart Phones & iPad & Laptop & Notebook & MP3 or Other Bluetooth Audio Devices

1. Sports headphone for sports enthusiast. 2. With Hands Free Call function. You can answer, reject or end a call through press the bluetooth key. 3. Life waterproof level, adots waterproof technology to bring wonderful waterproof and sweatproof effect. 4. Built in baterry, long play time. 5. Fashion color, lightweight and comfortable, make your sports more relaxed. 6. Fast bluetooth connecting speed, great sound insulation effect. 7. Compatible with most of android and IOS smartphones, such as: Apple, Samsung, Xiaomi, Huawei, tablets and other bluetooth audio devices.Specification: General Model BS19 Speaker Diameter 15mm Impedance 32ohm Frequency Response 20Hz-20KHz Transmission Distance Up to 10m External Memory TF card up to 32GB (not included) Power 25-30mA Working Voltage 3-4.2V Sensitivity -42dB Dimensions & Weight Item Size 15.4 x 12 x 2 cm Item Weight 28 g Package Weight One Package Weight 0.10kgs / 0.23lb One Package Size 19cm * 18cm * 5cm / 7.48inch * 7.09inch * 1.97inch Qty per Carton 40 Carton Weight 4.20kgs / 9.26lb Carton Size 52cm * 37cm * 39cm / 20.47inch * 14.57inch * 15.35inch Loading Container 20GP: 355 cartons * 40 pcs = 14200 pcs40HQ: 825 cartons * 40 pcs = 33000 pcs