Specifications Type: wireless earpiece/wireless PTT/wireless Dongle Dimension: 7.5*2.5*1.5cm/3.3*2.5*1.5cm/3.6*2.5*3.6cm Weight: 18g/8g/14g Fit for Work with Mobile phone either K1 :fit for K1 Radios Talk Range: The 3 parts and the radio should be in 5-10KM Please notice 2pcs wireless set working in 10KM may interfere Feature wireless Version: V5.0 Class2 Working Mode: HFP1.5 A2DP AVRCP Charger time: 1-2.5H Talk Range: <10Meters Work Time: 5-8Hours depends on talking Standby Time: <100Hours USB charger Cable: Dual Android connector Connector: K1 Standard fit for those model Baofeng with K1 plug Earpiece: Fit each earpiece,comfortable and flexible enough for all-day wear Compatible with K1 plug radio This is for K1 plug device, please confirm the connector of your radio before purchase! Compatible with: Anysecu Radio: AC-U2, AC-S198,DM-UV450, UK-K5, UV-F9plus WLN Radio: KD-C1, KD-C1 plus PUXING Radio: PX-666, PX-777, PX-777plus, PX-888, PX-999 WOXUN Radio: KG-659, KG-659plus, KG-669, KG-669plus, KG-679, KG-679plus, KG-689, KG-689plus, KG-699E, KG-UVD1, KG-UVD1P Compatible with: Baofeng Radio: UV-5R, UV-82, UV-82S, BF-V6, BF-F8HP, BF-320, BF-480, BF-490, BF-520, BF-530, BF-666S, BF-888S Kenwood TK Series: TK-373G, TK-378G, TK-388G, TK-430, TK-431, TK-2100, TK-2101, TK-2102, TK-2107, TK-2118, TK-2160, TK-2201, TK-2202, TK-2206, TK-2207, TK-3100, TK-3101, TK-3102, TK-3107, TK-3160, TK-3201, TK-3202, TK-3206, TK-3207, TK-3312, TK-3360 Unit Including: wireless Earpiece V4.0*1 wireless Dongle HB-6A*1 wireless PTT HB-6B*1 Charger cable *1 Silicon Ear tups*2 Elastic Band*1 Ear hook*1 Manual in EN*1