GD28 IPX4 Waterproof Single-ear Lightweight Clip Ear Bluetooth Earphone, GD28 Single Black, GD28 Single White

1. Bluetooth program: V5.32. Speaker: 13mm copper ring speaker (bass effect is obvious)3. Chip: BlueTrum4. Use time: about 5-6h5. Charging time: about 1h6. Communication distance: about 10-15m without obstacles7. Charging interface: USB8. Battery capacity: 50mAh9. Frequency: 20Hz-20KHz10. Impedance: 32 ohms11. Sensitivity: 85dB/mW12. Waterproof rating: IPX413. Weight: about 6.5gFeatures:1. External sound quality, safe travel, does not affect the communication2. Silicone tail, soft and comfortable, clip ear without pain3. One-button design, more convenient for music calls4. Ear buckle support, not into the ear design, skin-friendly material, comfortable to wear5. HIFI stereo surround sound, copper ring speaker, three frequency balance, micro-permeable holes, reduce noise6. With light design, beautiful and shiny7. Anti-leakage ear holes, painless to wear8. Simple design, smooth lines, lightweight and portableSpecification: Package Weight One Package Weight 0.02kgs / 0.05lb One Package Size 12cm * 10cm * 3cm / 4.72inch * 3.94inch * 1.18inch Qty per Carton 500 Carton Weight 12.00kgs / 26.46lb Carton Size 30cm * 50cm * 40cm / 11.81inch * 19.69inch * 15.75inch Loading Container 20GP: 444 cartons * 500 pcs = 222000 pcs40HQ: 1031 cartons * 500 pcs = 515500 pcs