... dimension45 x 36 x 17cmnet/gross weight6/7kgHow to use it?1.ChargeWhen charge is finished, Its red ... 3 sounds of long beeps.Note:for the first use, you have to make pairing connection, then for the ... second and future use, it can be connected automatically after power off. ... your key ring wallet, the bomm will alert you where the keys/bag by vibrating, flashing its ...