Remote + microphone. Pivot motion fit. Sweat proof IPX2. Allow ambient sound. Instructions inside. Specifications: Standard: Bluetooth v4.1 class 2. Supporting Bluetooth Profile: 2DP/AVRCP/HFP/HSP/. Supporting Codec: SBC. Frequency Response: 20 Hz - 20, 000 Hz. Mass: Approx. 15.7 g (15.7 oz). Power Supply: Built-in-lithium polymer chargeable battery. Battery Life: Approx. 4 hours 1 (1 : May vary depending on usage conditions. Designs and specifications are subject to change without notice). Charging Time: Approx 2.5 hours. For some mobile phones, you may not be able to use some or all functions depending on the specifications of the mobile phone itself. Accessories: Charging cable (micro USB); 3 size open type ear pieces; 3 size ear pieces. Recycle. RBRC Li-ion. Made in China.
Remote + microphone. Pivot motion fit. Sweat proof IPX2. Allow ambient sound. Instructions inside. Specifications: Standard: Bluetooth v4.1 class 2. Supporting Bluetooth Profile: 2DP/AVRCP/HFP/HSP/. Supporting Codec: SBC. Frequency Response: 20 Hz - 20, 000 Hz. Mass: Approx. 15.7 g (15.7 oz). Power Supply: Built-in-lithium polymer chargeable battery. Battery Life: Approx. 4 hours 1 (1 : May vary depending on usage conditions. Designs and specifications are subject to change without notice). Charging Time: Approx 2.5 hours. For some mobile phones, you may not be able to use some or all functions depending on the specifications of the mobile phone itself. Accessories: Charging cable (micro USB); 3 size open type ear pieces; 3 size ear pieces. Recycle. RBRC Li-ion. Made in China.