Earphones Onkyo E700BT, Brand    Onkyo Model    E700BT Material    Plastic + Metal Color    Black Quantity    1Set Connections Connection    Bluetooth Bluetooth Version    Bluetooth v4.1 Operating Range    10m Specification Headphone Style    In-Ear Waterproof Level    IPX0 (Not Protected) Applicable Products    Universal Headphone Features    With Microphone , Lightweight , Portable Support Memory Card    No Audio Properties Support Apt-X    No Sensitivity    108dB/mW Frequency Response    6Hz~ 25.5kHz Impedance    32ohm Power Battery Type    Not Specify Standby Time    170Hour Talk Time    8Hour Music Play Time    8Hour Dimensions & Weight Dimensions     0.39 in x 0.39 in x 0.39 in (1 cm x 1 cm x 1 cm) Weight     1.34 oz (38 g) Packing List 1 * E700BT 3 * Pairs of silicone caps (Small, Medium, Large) 1 * USB cable for charging