Langsdom BS85 Bluetooth Sports Earphone● Bluetooth V4.2 connection, fast transmission and lower energy consumption● Stereo bass effect for nice music feast● Noise cancellation makes you enjoy a clear sound in noisy occasion● You can wear the earphone while you are running or working out Product Specifications: General Function: Answering Phone,Bluetooth,Microphone,Monitor,MP3 player Material: ABS Type: In-Ear Wearing type: In-Ear Product Details Application: Gaming,Running,Sport,Working Cable Length (m): 0.37m Compatible with: Computer,iPhone,iPod,Mobile phone,MP3 Connectivity: Wireless Frequency response: 20-2000Hz Impedance: 32ohms Input Power: 2.4GHz Sensitivity: 110 dB Extended Function Bluetooth: Yes Bluetooth distance: W/O obstacles 10m Bluetooth Version: V4.2 + EDR Battery Information Battery Quantity: 1 Battery Type: Lithium-ion Polymer Battery Dimension and Weight Product size (L x W x H): 10.00 x 2.00 x 1.00 cm / 3.94 x 0.79 x 0.39 inches Product weight: 0.0400 kg Package Contents: 1 x Langsdom BS85 Bluetooth Sports Earphone 4 x Earbud 1 x Charging Cable Package Details: Package size (L x W x H): 18.00 x 18.00 x 3.30 cm / 7.09 x 7.09 x 1.3 inches Package weight: 0.0810 kg Brand No Brand SKU 100970312_NP-1021506794