Brand: Langsdom Model: BHOOK DSP Noise Cancelling Bluetooth Version: 4.1 Bluetooth Working Range: 10m Frequency Range: 2.4GHz-2.48GHz Frequency Response: 20Hz-20KHz Music Play Time: About 4 hours Talk Time: About 4 hours Standby Time: Max. 50 hours Charging Time: About 2 hours Cable Length: About 60cm Product Weight: 30 g Whether you listen to Adele while running or you require heavy metal to keep you going, you'll be delighted with these Langsdom BHOOK Wireless Bluetooth Sports Earphones. An absence of wires and a comfortable fit designed with sweat-proof ear hooks to take room for sunglasses. A selection of different-size buds make them extremely hard to dislodge, delivering powerful beats while ensuring a secure and snug fit during your workout. Brand Langsdom SKU LA622EL0BW06GNAFAMZ-140682